Proto-Nakh: *ħā-
Meaning: who (obl. stem)
Chechen: ħa (erg.)
Ingush: ħa (erg.)
Batsbi: ħa (erg.)
Comments: Cf. also Chech. gen. ħē-na- etc. The stem also serves for building relative and indefinite pronouns (Chech. ħē-neχ 'someone', Bacb. ħane '...who,...which' etc.).