Proto-West-Caucasian: *xʷV
Meaning: 1 price 2 to buy 3 to pay
Abkhaz: á-χʷ 1
Abaza: χʷǝ 1
Adyghe: š́a-fǝ-n 2
Kabardian: śa-xʷǝ-n 2
Ubykh: fa- 3
Comments: PAT *xʷǝ (cf. Bzyb. á-xʷ) 'price', *xʷǝ-ʕa- 'to buy' (Abkh. á-χʷħa-ra, Abaz. χʷʕa-ra); PAK *š́:a-xʷǝ- (a compound with *š́:a- 'to sell' in the first part); Ub. a-s-fá-n (cf. also a noun: fa 'profit'). In Ubykh *xʷ usually gets delabialised ( > x; Ubykh does not have a labialised xʷ); the reason why it changed to f in this case is unclear. Another solution would be to reconstruct PWC *fV ( regularly > Ub. f, PAK *xʷ) with an irregular (dialectal?) change *f > *xʷ in PAT.
