7 letters · 19 points in Scrabble
origin1662, in sense “flutter as blown by wind”, as whiff + -le (“(frequentative)”) and (onomatopoeia) sound of wind, particularly a leaf fluttering in unsteady wind; compare whiff. Sense “something small or insignificant” is from 1680.
Etymology from Wiktionary, CC BY-SA 3.0