A word for “cow” in the Gnomish Lexicon of the 1910s with deleted variant {mui}, a feminine form of G. mû “ox” (GL/58).
Gnomish
gach
noun. milch cow
mûs
noun. cow
Beware, older languages below! The languages below were invented during Tolkien's earlier period and should be used with caution. Remember to never, ever mix words from different languages!
A noun in the Gnomish Lexicon of the 1910s appearing as {gacha “cow” >>} G. gach “a milch cow”, cognate to ᴱQ. yakse of the same meaning (GL/36), which was derived from the early root ᴱ√Ẏak “a head of cattle” (QL/105).
Neo-Sindarin: I would retain this word in Neo-Sindarin as ᴺS. gach “cow” (< ✱gyaksē) based on the Neo-Root ᴺ√GYAK, with the sound changes (a) gy- > g- and (b) ks > ch.