Meaning

noun a plant cultivated for its blooms or blossoms

noun reproductive organ of angiosperm plants especially one having showy or colorful parts

noun the period of greatest prosperity or productivity

originFrom Middle English flour, from Anglo-Norman flur, from Latin flōrem, accusative of flōs, from Proto-Italic *flōs, from Proto-Indo-European *bʰleh₃- (“to thrive, bloom”). Doublet of fleur, flor, flour, bloom, and blossom. Partly displaced native Old English blostma (which is cognate), whence Modern English blossom.

Etymology from Wiktionary, CC BY-SA 3.0