Meaning

noun a flat wing-shaped process or winglike part of an organism

noun a wing of an insect

adverb by bad luck

originFrom Middle English alas, from Old French a las (French hélas), from a (“ah”) + las, from Latin lassus (“weary”). Compare Dutch helaas, North Frisian ielas, West Frisian eilaas.

Etymology from Wiktionary, CC BY-SA 3.0