gambrel (n.)youdaoicibaDictYouDict[gambrel 词源字典]
"hipped roof," 1851, short for gambrel roof (1763), so called for its shape, from gambrel "horse's hind leg" (c. 1600), earlier "wooden bar to hang carcasses" (1540s), perhaps from Old North French gamberel, from gambe "leg," from Late Latin gamba (see gambol).[gambrel etymology, gambrel origin, 英语词源]