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dorsal
[dorsal 词源字典]
dorsal:
see
doss
[dorsal etymology, dorsal origin, 英语词源]
dorsal (adj.)
early 15c., from Old French
dorsal
(14c.) or directly from Medieval Latin
dorsalis
, corresponding to Latin
dorsualis
"of the back," from
dorsum
"back," which is of uncertain origin.
tabes dorsalis
"Another term for locomotor ataxia", Modern Latin, literally 'wasting of the back'.