nast'oogyemk ['na/st'oo/*gyemk]
Stem with modifying proclitic composed of: 'nast'oo=  other side/half, gyemk  sun/moon/heat
intransitive verb. half moon
Ła nast'oogyemga 'yag̱adit gya'wn. It is half moon now.

Bibliographic sources: Dunn, Practical Dictionary entry: 1515.
Source: Draft Dictionary entry.