Meaning

noun attractiveness that interests or pleases or stimulates

noun a verbal formula believed to have magical force

noun something believed to bring good luck

originSynchronically a variant of chirm, but reflects Middle English charme (or unattested *charm), from Old English ċearm (“cry, alarm”), from Proto-West Germanic *karm, masculine variant of *karmi f, from Proto-Germanic *karmiz, *karm(j)az (“cry, lament, calling sound”). Near-doublet of chirm, which is from the feminine counterpart.

Etymology from Wiktionary, CC BY-SA 3.0