Meaning

originFrom Middle English blee, ble, from Old English blēo, bleoh (“color, hue; complexion, form”), from Proto-West Germanic *blīu (“color, blee”). Cognate with Scots ble, blee, blie (“color, complexion”), Old Frisian blī, blie (“color, hue; complexion”) (whence North Frisian bläy, Saterland Frisian Bläier), Middle Dutch blie, blye (“color”). Doublet of bly.

Etymology from Wiktionary, CC BY-SA 3.0