Proto-Nakh: *sṭē-n-
Meaning: what (interrogative pronoun)
Chechen: stē(n)-
Ingush: se
Batsbi: sṭen-
Comments: The basic form is ergative: Chech. sten, Ing. se, Bacb. sṭẽ (cf. also Cheb. stjē̃, Shar., Khild. sjẽ etc.). For the vowel length cf. also Chech. gen. stēna-n; sten-ga 'where' etc.