Meaning

noun footwear that covers the whole foot and lower leg

noun British term for the luggage compartment in a car

noun the swift release of a store of affective force

originFrom Middle English boote, bote (“shoe”), from Old French bote (“a high, thick shoe”). Of obscure origin, but probably related to Old French bot (“club-foot”), bot (“fat, short, blunt”), from Old Frankish *butt, from Proto-Germanic *buttaz, *butaz (“cut off, short, numb, blunt”), from Proto-Indo-European *bʰewt-, *bʰewd- (“to strike, push, shock”); if so, a doublet of butt. Compare Old Norse butt…

Etymology from Wiktionary, CC BY-SA 3.0