I. ˈhwish, ˈwish verb
Etymology: imitative
Date: 1518
transitive verb
: to urge on or cause to move with a whish
intransitive verb
1. : to make a sibilant sound
2. : to move with a whish especially at high speed
an elevator… whish es down to the lower level — Natalie Cooper
II. noun
Date: circa 1802
: a rushing sound : swish