I E wa pronominal base used in compounds; Dak wa pronominal prefix some,
something. Prefix wo (wa-|-o) forms abstract nouns and nouns of agency.
I E ka int. and rel. pronoun; Pawnee ka interrogative; Dak ka
interrogative suffix and in compounds; Ger wer; Dak tu-we who int. and
rel; Gk po; Min tape who, tapa or tako what. I E neuter base ku what;
Dak ta-ku what rel. and int.
I E wika all the whole; Dak wicha them, incorporated objective. Iowa wi;
Dak pi plural suffix seems to be a contraction of this base.
Analogous to A S, accusative mik of ma-|-ga we have; Dak accusative
michi, in which the k has become ch through the influence of i; also the
accusatives unki-chi, ni-chi, i-chi.