Meaning

verb run away quickly

originFrom Middle English flen, from Old English flēon, from Proto-West Germanic *fleuhan, from Proto-Germanic *fleuhaną, from Proto-Indo-European *plewk-, *plew- (“to fly, flow, run”). Cognate with Dutch vlieden, German fliehen, Icelandic flýja, Swedish fly, Gothic 𐌸𐌻𐌹𐌿𐌷𐌰𐌽 (þliuhan). Within English, related to fly and more distantly to flow.

Etymology from Wiktionary, CC BY-SA 3.0