sciatica (n.)youdaoicibaDictYouDict[sciatica 词源字典]
late 14c., from Medieval Latin sciatica, in sciatica passio "sciatic disease," fem. of sciaticus "sciatic," corruption of Latin ischiadicus "of pain in the hip," from Greek iskhiadikos, from iskhias (genitive iskhiados) "pain in the hips," from iskhion "hip joint."[sciatica etymology, sciatica origin, 英语词源]