The Proto-Kartvelian word s₁Ʒ1e-
Word s₁Ʒ1e-
Meaning milk

Comments
Heinz Fähnrich, Surab Sardshweladse: Etymologisches Woerterbuch der Kartwel-Sprachen, 1995 Brill

Other words that might be of interest
č̣am ‘to eat’, c̣ow- ‘to suck’, gab ‘to cook, boil’, s₁w- ‘to drink’, twer- ‘to drink’, xwleṗ- ‘to drink’, *ɣwino- ‘wine’