g̱a̱stuunxł [g̱a̱/*stuunxł]
intransitive verb. whisper
../mp3s/g-ul/gastuunxl-dl-hb-01.mp3 G̱a̱stuunxła dip gwii. Those people are whispering.

Related entries: Dialectal Variant g̱a̱stunł  whisper

Bibliographic sources: Dunn, Practical Dictionary entry: 419.
Source: Draft Dictionary entry.