Meaning

noun any of several white wines from the Rhine River valley in Germany (`hock' is British usage)

noun tarsal joint of the hind leg of hoofed mammals; corresponds to the human ankle

verb leave as a guarantee in return for money

originFrom Middle English hough, hoche, hokke, from Old English hōh, from Proto-West Germanic *hą̄h, from Proto-Germanic *hanhaz, from Proto-Indo-European *kenk-. See also West Frisian hakke, Dutch hak, German Low German Hacke, Hack (“heel”); also Lithuanian ki̇̀nka (“leg, thigh, knee-cap”), kenklė̃ (“knee-cap”), Sanskrit कङ्काल (kaṅkāla, “skeleton”).

Etymology from Wiktionary, CC BY-SA 3.0