The story
- Middle English · inherited frombuxum
- English todaybucksome
From Middle English buxum, buhsum (“flexible, bendsome”). Often analysed, due to confusion with the verb buck (“to spring, buckle, kick violently”) and buck (“he-goat”), as though from buck + -some. Doublet of buxom.
Etymology from Wiktionary, CC BY-SA 4.0.