Proto-West-Caucasian: *ḳ́ʷa
Meaning: suffix of Nomina Agentis
Adyghe: -ḳʷ(a)
Kabardian: -ḳʷa
Ubykh: -ḳ́a
Comments: PAK *-ḳʷa, cf., e.g., Ad. Laž́ā-ḳʷ 'worker' (Laž́a-n 'to work'), Kab. wǝsā-ḳʷa 'poet' (wǝsa 'poem'). In Ub. cf. e.g. fawā́-ḳ́a 'wrestler' (fawǝ́ 'wrestle') etc.