Proto-West-Caucasian: *ḳʷa-
Meaning: 1 small river 2 ravine
Abkhaz: a-ḳʷára 1
Abaza: ḳʷarǝ 2
Comments: PAT *ḳʷa-rV (cf. also Bzyb. a-ḳʷár 'small river'). *-rV is probably a suffix (cf. an analogous suffix in Abkh. a-q̇ʷa-rá 'rocky river bank' etc.).