gyiwilanool [gyi/wil/a/*nool]
Stem with modifying proclitic composed of: gyiwil=  past (go __)/by, anool  let
intransitive verb. have permission; allowed to pass

Related entries: Stem with modifying proclitic gyiwilanoolks  permission | Stem with modifying proclitic gyiwilanoolt  give permission

Source: Draft Dictionary entry.