withers · noun1
From dialectal English wither (“against”) (compare wither-) + -s; see with. So-named because it is the part of the horse that pushes against a load. Compare German Widerrist (“withers”), from wider (“against”) + Rist (“wrist”).
withers · verb2
See the etymology of the corresponding lemma form.
First known use, by meaning
- from 1580 The part of the back of a four-legged animal that is between the shoulder blades; in many species the highest point of the body and the standard place to measure the animal's height.
Etymology from Wiktionary, CC BY-SA 4.0.