shoulderyoudaoicibaDictYouDict[shoulder 词源字典]
shoulder: [OE] Shoulder is a general West Germanic word, with relatives in German schulter and Dutch schouder (it was also borrowed into Swedish and Danish as skuldra and skulder respectively). It goes back to a prehistoric *skuldr-, but where this came from is not clear. One suggestion is that it is distantly related to English shield, and originally denoted ‘shoulder-blade’ (the underlying meaning being ‘flat piece’).
[shoulder etymology, shoulder origin, 英语词源]
shoulder (n.)youdaoicibaDictYouDict
Old English sculdor "shoulder," from West Germanic *skuldro (cognates: Middle Dutch scouder, Dutch schouder, Old Frisian skoldere, Middle Low German scholder, Old High German scultra, German Schulter), of unknown origin, perhaps related to shield (n.). Meaning "edge of the road" is attested from 1933. Cold shoulder (Neh. ix:29) translates Latin humerum recedentum dare in Vulgate (but see cold shoulder). Shoulder-length, of hair, is from 1951.
shoulder (v.)youdaoicibaDictYouDict
c. 1300, "to push with the shoulder," from shoulder (n.). Meaning "take a burden" first recorded 1580s. The military sense is from 1590s. Related: Shouldered; shouldering.