An Etymological Dictionary of Astronomy and Astrophysics

The part of the → arm between the → shoulder and the → elbow.

Etymology (EN): → upper; → arm.

Etymology (PE): Bâzu “arm,” from Mid.Pers. bâzûk “arm;” Av. bāzu- “arm;” Mod.Pers. bâhu “stick, staff; arm;”
cf. Skt. bāhu- “arm, forearm;” Gk. pechys “forearm, arm, ell;”
O.H.G. buog “shoulder;” Ger. Bug “shoulder;” Du. boeg; O.E. bôg, bôh “shoulder, bough;” E. bough " a branch of a tree;" PIE *bhaghu- “arm”).