- girth (n.)
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[girth 词源字典] - c. 1300, "belt around a horse's body," from Old Norse gjorð "girdle, belt, hoop," from Proto-Germanic *gertu- (cf Gothic gairda "girdle"), from the same source as girdle and gird. Sense of "measurement around an object" first recorded 1640s.[girth etymology, girth origin, 英语词源]