ulna
n.
inner bone of the forearm, 1540s, medical Latin, from Latin ulna "the elbow," also a measure of length, from PIE *el-ina-, extended form of root *el- (1) "elbow, forearm" (see ell, n.1). Related: Ulnar.
| 词汇 | ulna |
| 词根词缀 | Online Etymology Dictionary ulna n. inner bone of the forearm, 1540s, medical Latin, from Latin ulna "the elbow," also a measure of length, from PIE *el-ina-, extended form of root *el- (1) "elbow, forearm" (see ell, n.1). Related: Ulnar. |
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