pau UI3a cmavo

discursive: optional question premarker.

See also preti.

On affix form:

x1 is a part/component/piece/portion/segment of x2 [where x2 is a whole/mass]; x2 is partly x1.

In notes:

pau'i (exp!)
discursive: marks the previous construction as a question, with valid responses being any construction which could replace it without changing the grammar of the overall utterance.
pi'au (exp!)
digit/number: pi (approximately 3.1416...); the constant defined by the ratio of the circumference to the diameter of all circles.
uei (exp!)
discursive: optional answer premarker