na'i _UI3a cmavo

discursive: metalinguistic negator.

See also naldra, nalmapti.

On affix form:

nalci: x₁ is a/the wing [body-part] of x₂; [metaphor: lateral supporting surface].

In notes:

cau'i (exp!): modifier / discursive: elliptical affirmative; "maybe, maybe not"
ja'ai (exp!): affirm last word: attached to cmavo to affirm them; denies negation by nai whenever it is applicable.
na'itfa: x₁ (du'u: proposition or kau-question) cannot be assigned a definite truth-value or answer