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arthro-
[arthro- 词源字典]
word-forming element meaning "pertaining to the joints," from Greek
arthro-
(before vowels
arth-
), comb. form of
arthron
"joint," from PIE
*ar-dhro-
, from
*ar-
"to fit together;" see
arm
(n.1).
[arthro- etymology, arthro- origin, 英语词源]