dorsalyoudaoicibaDictYouDict[dorsal 词源字典]
dorsal: see doss
[dorsal etymology, dorsal origin, 英语词源]
dorsal (adj.)youdaoicibaDictYouDict
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 dorsalisyoudaoicibaDictYouDict
"Another term for locomotor ataxia", Modern Latin, literally 'wasting of the back'.