Proto-West-Caucasian: *t-q:amǝ
Meaning: 1 skin, fur 2 fur-coat
Abkhaz: a-χamǝ́ 2
Abaza: qamǝ 2
Ubykh: tχamǝ́ 1
Comments: PAT *qamǝ (cf. also Bzyb. a-χamǝ́). Ub. has tχ- because the cluster tq- ( < *tq:-) is prohibited in Ub.; PWC *q:- is reconstructed on basis of PAT *q- (a weak *q- would give PAT *ħ-).