FromProto-Tungusic*xa-(“interrogative stem”). Cognate withOrokxai(“what”).
Compared toProto-Turkic*ka-(“interrogative stem”),Proto-Mongolic*ka-(“interrogative stem”),Kazakhқай(qai,“which”),Yakutхайа(qaya,“what”). See alsoMongolianхаана(xaana,“where”),Kazakhқайда(qaida,“where”),Kazakhқашан(qaşan,“when”).(Canthis(+) etymology besourced?)
ᠠᡳ• (ai)