bau BAI cmavo

bangu modal, 1st place in language ...

On affix form:

x1 is a/the language/dialect used by x2 to express/communicate x3 (si'o/du'u, not quote).

In notes:

do'au (exp!)
pro-sumti whose referent's identity may be chosen by the listener
ja'u (exp!)
na'e fancuka modal: no matter (indirect question)...
Extracts selbri from a tag, inverse of fi'o
x1 translates x2 (source) into x3 (result/product)