Northern-dialect CW interrogative “ikta”~”pus ikta” etc. ⇐ SW WA Salish?
Clause-initial pus ikta, pus kata, and pus kah (synonymous with plain ikta, kata, and kah ‘what?, how?, where?’) in northern-dialect Chinook Jargon as spoken by Salish people is probably influenced by how their Indigenous languages work.