The cuneiformgiš sign, (also common for is, iṣ, and iz), is a common, multi-use sign, in the Epic of Gilgamesh, the Amarna letters, and other cuneiform texts. It also has a major usage as a sumerogram, GIŠ, (capital letter (majuscule)) for English language"wood", and is used as a determinative at the beginning of words, for items made of wood. The 12 Chapters (Tablets) of the Epic of Gilgamesh lists 16 named items beginning with "GIŠ".
For giš/(is/iz/iṣ) in the construction of words it is used syllabically for giš, and syllabically for the three other constructs; also for eṣ/ez. Besides "giš", it can alphabetically be used for: e, i, s, ṣ, or z.
Epic of Gilgamesh sign usage
The usage numbers for giš in the Epic of Gilgamesh are as follows:[2]eṣ-(2) times, ez, (3), giš, (1), is, (46), iṣ, (77), iz, (17), and GIŠ (355) times.