Perhaps only coincidence, but note m ~ w Tualatin (northern Kalapuyan) mámpdu ~ CJ wapto It could represent a borrowing of the whole word, though Henry Zenk brought to our attention the possibility that Proto-Kalapuyan *pdó' [' = glottal stop] was borrowed by Chinookan which attached its prefix wa-. Henry, what's the mam- that seems common in Tualatin? Alan