8 letters · 12 points in Scrabble
verb move along rapidly and lightly; skim or dart
verb disappear gradually
adjective lasting for a markedly brief time
originFrom Middle English fleten (“to float”), from Old English flēotan (“to float”), from Proto-Germanic *fleutaną, from Proto-Indo-European *plewd-. By surface analysis, fleet + -ing.
Etymology from Wiktionary, CC BY-SA 3.0