Meaning

noun the process of combustion of inflammable materials producing heat and light and (often) smoke

verb shine with a sudden light

verb be in flames or aflame

originFrom Middle English flawme, blend of Old French flame and flambe, flamble, the first from Latin flamma, the second from Latin flammula, diminutive of flamma, both from pre-Latin *fladma; Proto-Italic *flagmā, ultimately from Proto-Indo-European *bʰel- (“to shimmer, gleam, shine”). Displaced native Old English līeġ.

Etymology from Wiktionary, CC BY-SA 3.0