gwis= [gwis]
prenominal. covered over; blanket (used to make words relating to blankets and clothes)
Amap'asa sigwisnap'alas Niias Haywaalxs. Tammy made a beautiful button blanket.

Related entries: Stem with modifying proclitic gwisamiilk  costume | Stem with modifying proclitic gwisg̱ayniis  blanket | Stem with modifying proclitic gwishalaayt  Chilkat robe | Stem with modifying proclitic gwisligisah  everyday clothes | Stem with modifying proclitic gwisligiyaa  travelling clothes | Stem with modifying proclitic gwismati  mountain goat skin coat | Stem with modifying proclitic gwismiilk  party clothes | Stem with modifying proclitic gwis'nap'a'la  button blanket | Stem with modifying proclitic gwis'na̱gmgyemk  Chilkat blanket | Stem with modifying proclitic gwis'ol  bearskin coat | Stem with modifying proclitic gwissg̱a̱n  raincoat | Stem with modifying proclitic gwistgima̱xmaaxi  rainbow blanket | Spelling Variant gwüs=  blanket

Source: Draft Dictionary entry.