Ulna
/ˈʌl.nə/noun
The inner and larger bone of the forearm on the little-finger side.
Did you know?Ulna is a very old Latin bone-name, and its survival in modern anatomy shows how medical language can preserve Roman terminology almost unchanged for centuries.
Etymological Timeline
Proto-Indo-European
PIE
*el-
“to bend, turn”
Latin
Latin
ulna
“forearm; elbow; cubit”
Late Latin
Latin
ulna
“the forearm bone”
Middle English
English
ulne / ulna
“the bone of the forearm”
Modern English
English
ulna
“the inner bone of the forearm on the little-finger side”