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Protruded palatal approximant
Protruded palatal approximant
ɥ̫
ɥʷ
jʷ

Voiced labial–palatal approximant
Voiced labial–palatal approximant
ɥ
IPA number	171
Audio sample
	source · help
Encoding
Entity (decimal)	ɥ
Unicode (hex)	U+0265
X-SAMPA	H
Braille
Image

The voiced labial–palatal (or labio-palatal) approximant is a type of consonantal sound, used in some spoken languages, for example, French "huitième", read as [ɥitjɛm]. It has two constrictions in the vocal tract: with the tongue on the palate, and rounded at the lips. The symbol in the International Phonetic Alphabet that represents this sound is ⟨ɥ⟩, a rotated lowercase letter ⟨h⟩, or occasionally ⟨jʷ⟩, which indicates [j] with a different kind of rounding.

The labial–palatal approximant can in many cases be considered the semivocalic equivalent of the close front rounded vowel [y]. They alternate with each other in certain languages, such as French, and in the diphthongs of some languages, ⟨ɥ⟩ and ⟨y̑⟩ with the non-syllabic diacritic are used in different transcription systems to represent the same sound. Sometimes,^[1] ⟨y̆⟩ is written in place of ⟨y̑⟩, even though the former symbol denotes an extra-short [y] in the official IPA.

Some languages, though, have a palatal approximant that is unspecified for rounding, and therefore cannot be considered the semivocalic equivalent of either [y] or its unrounded counterpart [i]. An example of such a language is Spanish, in which the labialized palatal approximant (not a semivowel) appears allophonically with rounded vowels in words such as ayuda [aˈʝ̞ʷuð̞a] 'help'. According to some sources, it is not correct to transcribe this with the symbol ⟨ɥ⟩, which has a different kind of rounding, or with ⟨jʷ⟩, which implies spread lips; the only suitable transcription is ⟨ʝ̞ʷ⟩.^[2] See palatal approximant for more information.

There is also the labialized postpalatal approximant^[3] in some languages, which is articulated slightly more back compared with the place of articulation of the prototypical labialized palatal approximant, though not as back as the prototypical labialized velar approximant. It can be considered the semivocalic equivalent of the close central rounded vowel [ʉ]. The International Phonetic Alphabet does not have a separate symbol for that sound, though it can be transcribed as ⟨ɥ̄⟩ or ⟨ɥ˗⟩ (both symbols denote a retracted ⟨ɥ⟩), ⟨ɥ̈⟩ (centralized ⟨ɥ⟩), ⟨w̟⟩ (advanced ⟨w⟩) or ⟨ẅ⟩ (centralized ⟨w⟩). The equivalent X-SAMPA symbols are H_o, H_", w_+ and w_", respectively. Other possible transcriptions include a centralized and labialized ⟨j⟩ (⟨j̈ʷ⟩ in the IPA, j_"_w in X-SAMPA) and a non-syllabic ⟨ʉ⟩ (⟨ʉ̯⟩ in the IPA, }_^ in X-SAMPA).

Especially in broad transcription, the labialized postpalatal approximant may be transcribed as a palatalized and labialized velar approximant (⟨wʲ⟩ in the IPA, w' or w_j in X-SAMPA).

Compressed palatal approximant

The compressed palatal approximant is typically transcribed in IPA simply as ⟨ɥ⟩, and that is the convention used in this article. There is no dedicated diacritic for compression in the IPA. However, the compression of the lips can be shown with the letter ⟨β̞⟩ as ⟨j͡β̞⟩ (simultaneous [j] and labial compression) or ⟨jᵝ⟩ ([j] modified with labial compression). The spread-lip diacritic ⟨ ͍ ⟩ may also be used with a labialized approximant letter ⟨ɥ͍⟩ as an ad hoc symbol, though technically 'spread' means unrounded.

The compressed post-palatal approximant^[3] can be transcribed simply as ⟨ɥ̈⟩ (centralized [ɥ]), and that is the convention used in this article. Other possible transcriptions include ⟨j̈ᵝ⟩ (centralized [j] modified with labial compression) and ⟨ɥ͍̈⟩ (centralized [ɥ] with the spread-lip diacritic).

Features

Features of the compressed palatal approximant:

Its manner of articulation is approximant, which means it is produced by narrowing the vocal tract at the place of articulation, but not enough to produce a turbulent airstream.
Its place of articulation is palatal and in addition it is endo-labialized, which is accomplished by raising the body of the tongue toward the palate while approximating the lips.
Its phonation is voiced, which means the vocal cords vibrate during the articulation.
It is an oral consonant, which means air is allowed to escape through the mouth only.
It is a central consonant, which means it is produced by directing the airstream along the center of the tongue, rather than to the sides.
Its airstream mechanism is pulmonic, which means it is articulated by pushing air solely with the intercostal muscles and abdominal muscles, as in most sounds.

Occurrence

Because the labialized palatal approximant is assumed to have compression, and few descriptions cover the distinction, some examples in the table below may actually have protrusion.

Language		Word	IPA	Meaning	Notes
Abkhaz		ауаҩы	[awaˈɥə]	'human'	See Abkhaz phonology
Breton	Gwenedeg	ouilhad	[ɥiːʎɐt]	'escapade'	Realization of /w/ before front vowels.
Chinese	Mandarin	月 / yuè	[ɥe̹˥˩]	'moon'	See Mandarin phonology
Chinese	Shanghainese^[4]	浴 / yoq	[ɥo̽ʔ˥]	'bath'	Allophone of /j/ before rounded vowels.^[4]
English	Bay Islands^[5]	will	[ɥɪl]	'will'	Allophone of /w/ or /v/ that only occurs before /i/ or /ɪ/. See Bay Islands English#Phonology.
French		nuire	[nɥiʁ]^ⓘ	'to harm'	Merges with /w/ or /y/ in Belgian French. See French phonology
Iaai		vëk	[ɥæk]	'four'	Contrasts with the voiceless /ɥ̊/.
Kham^[6]	Gamale Kham	व़े	[ɥe]	'husband'
Korean	Gyeonggi	쉬엄쉬엄 / swieomswieom	[ɕɥiʌmɕɥiʌm]	'Take it easy'	Only occurs before /i/. See Korean phonology
Kurdish		düa	[dʉːɥɑː]	'back'	See Kurdish phonology
Norwegian	Urban East^[7]	dualisme	[dʉ̞ɥ̈ɑˈlɪ̟smə]	'dualism'	Post-palatal; appears prevocalically after the compressed close vowels /ʉ, ʉː/.^[7] May be transcribed with ⟨w̟⟩ or simply ⟨w⟩. See Norwegian phonology
Shipibo^[8]		^{[example needed]}			Allophone of /w/ before /i, ĩ/. Only lightly labialized.^[8]
Occitan		nuèch	[ˈnɥɛtʃ]	'night'	See Occitan phonology
Swedish	Central Standard	ful	[fʉ̟ɥl]^ⓘ	'ugly'	Non-syllabic element of the common diphthongal realization of /ʉː/ ([ʉ̟ɥ]); can be a fricative instead. Palatal in the Central Standard variety, post-palatal in some other varieties. See Swedish phonology
Upper Sorbian^[9]		wěm	[ɥɪm]	'I know'	Soft counterpart of /w/.^[9]
Xumi	Lower^[10]	[dʑɥɛ˩˥]		'fang'	Allophone of /w/ when preceded by an (alveolo-)palatal initial and/or followed by one of the front vowels /i, e, ɛ/ (in Upper Xumi also /ĩ/).^[10]^[11]
Xumi	Upper^[11]	[dɥe˩˥]		'to ask'

Protruded palatal approximant

As there are no diacritics in the IPA to distinguish protruded and compressed rounding, an old diacritic for labialization, ⟨ ̫⟩, will be used here as an ad hoc symbol for the protruded palatal approximant. Another possible transcription is ⟨ɥʷ⟩ or ⟨jʷ⟩ (a palatal approximant modified by endolabialization).

Acoustically, this sound is "between" the more typical compressed palatal approximant [ɥ] and the non-labialized palatal approximant [j].

Features

Features of the protruded palatal approximant:

Its manner of articulation is approximant, which means it is produced by narrowing the vocal tract at the place of articulation, but not enough to produce a turbulent airstream.
Its place of articulation is labial–palatal, which is accomplished by raising the body of the tongue toward the palate while approximating the lips.
Its phonation is voiced, which means the vocal cords vibrate during the articulation.
It is an oral consonant, which means air is allowed to escape through the mouth only.
It is a central consonant, which means it is produced by directing the airstream along the center of the tongue, rather than to the sides.
Its airstream mechanism is pulmonic, which means it is articulated by pushing air solely with the intercostal muscles and abdominal muscles, as in most sounds.

Occurrence

Language		Word	IPA	Meaning	Notes
Norwegian	Urban East^[7]	cyanid	[sʏ̫ɥ̫ɑˈniːd]	'cyanide'	Appears prevocalically after the protruded close vowels /ʏ, yː/.^[7] See Norwegian phonology
Spanish		ayuda	[äˈʝ̞ʷuð̞ä]	'help'	Approximant consonant; lenited allophone of /ɟ͡ʝ/ before and between rounded vowels. May be a fricative [ʝʷ] in emphatic speech. See Spanish phonology

Notes

^ See e.g. Mangold (2005:42)
^ Martínez Celdrán (2004), p. 208.
^ ^a ^b Instead of "post-palatal", it can be called "retracted palatal", "backed palatal", "palato-velar", "pre-velar", "advanced velar", "fronted velar" or "front-velar". For simplicity, this article uses only the term "post-palatal".
^ ^a ^b Chen & Gussenhoven (2015), p. 331.
^ Graham (1997), p. 164.
^ Wilde (2016).
^ ^a ^b ^c ^d Kristoffersen (2000), p. 35.
^ ^a ^b Valenzuela, Márquez Pinedo & Maddieson (2001), p. 283.
^ ^a ^b Šewc-Schuster (1984), pp. 36–37, 41, 46.
^ ^a ^b Chirkova & Chen (2013), p. 368.
^ ^a ^b Chirkova, Chen & Kocjančič Antolík (2013), p. 387.

References

Chen, Yiya; Gussenhoven, Carlos (2015), "Shanghai Chinese", Journal of the International Phonetic Association, 45 (3): 321–327, doi:10.1017/S0025100315000043
Chirkova, Katia; Chen, Yiya (2013), "Xumi, Part 1: Lower Xumi, the Variety of the Lower and Middle Reaches of the Shuiluo River", Journal of the International Phonetic Association, 43 (3): 363–379, doi:10.1017/S0025100313000157
Chirkova, Katia; Chen, Yiya; Kocjančič Antolík, Tanja (2013), "Xumi, Part 2: Upper Xumi, the Variety of the Upper Reaches of the Shuiluo River", Journal of the International Phonetic Association, 43 (3): 381–396, doi:10.1017/S0025100313000169
Graham, William (1997), Bay Islands English: Linguistic Contact and Convergence in the Western Caribbean (PDF), University of Florida
Kristoffersen, Gjert (2000), The Phonology of Norwegian, Oxford University Press, ISBN 978-0-19-823765-5
Mangold, Max (2005) [1962], Das Aussprachewörterbuch (6th ed.), Mannheim: Dudenverlag, ISBN 978-3-411-04066-7
Martínez Celdrán, Eugenio (2004), "Problems in the Classification of Approximants", Journal of the International Phonetic Association, 34 (2): 201–210, doi:10.1017/S0025100304001732, S2CID 144568679
Šewc-Schuster, Hinc (1984), Gramatika hornjo-serbskeje rěče, Budyšin: Ludowe nakładnistwo Domowina
Valenzuela, Pilar M.; Márquez Pinedo, Luis; Maddieson, Ian (2001), "Shipibo", Journal of the International Phonetic Association, 31 (2): 281–285, doi:10.1017/S0025100301002109
Wilde, Christopher P. (2016), "Gamale Kham phonology revisited, with Devanagari-based orthography and lexicon", Journal of the Southeast Asian Linguistics Society (9): 130–199, hdl:1885/109195