The measurement around something, especially around the waist or body; also a belt or strap that goes around a horse.
From Old Norse 'gjörð' (belt, encircling). Related to 'gird' (to encircle). The word has always meant something that goes around or encompasses.
The word 'girth' has a surprising poetic history—it shows up in old poems to mean a belt or band of honor, and it's connected to 'gird your loins,' an ancient expression meaning to prepare for action.
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