Proto-Nakh: *sān
Meaning: corner, border, edge
Chechen: sa
Ingush: sa
Batsbi: -sã
Comments: Obl. base *sānV-, cf. Chech. sōna-, Ing. säno. 6th class in both languages. In Bacb. the root is preserved within the compound nʕajʔ-sã 'external door' (for the first part see *nɦeʔ 'door').