Meaning

noun a desirable state

adjective very close and convivial

originEtymology tree Proto-Indo-European *dewh₂-der.? Proto-Italic *dwenos Old Latin duenos Old Latin duonus Latin bonus Old French bon Old Northern French boonbor. Middle English boon English boon From Middle English boon, bone, borrowed from Old Northern French boon, from Old French bon (“good”), from Latin bonus (“good”), from Old Latin duonus, dvenos, from Proto-Indo-European *dū- (“to respect”).

Etymology from Wiktionary, CC BY-SA 3.0