ki'u ma BAI* cmavo-compound

sumti question asking for a rational explanation/justification; why?.

In definition:

mau'a (exp!)
shortening of {lo du'u ma kau *bridi*}, with {ce'u} bound to {ma kau}

In notes:

ki'au (exp!)
evidential: I reason - I think impulsively.
ko'au (exp!)
kosmu modal, 1st place with purpose...
krinu
x1 (event/state) is a reason/justification/explanation for/causing/permitting x2 (event/state).
lu'ei (exp!)
convert a grammatical quotation to a tanru unit; x1 expresses/says the quoted text for audience x2 via expressive medium x3.