talipes (n.)youdaoicibaDictYouDict[talipes 词源字典]
"club-foot, deformed foot," from Latin talus "ankle" (see talus (n.1)) + pes "foot," from PIE root *ped- (1) "a foot" (see foot (n.)). The notion seems to be "walking on the ankles."[talipes etymology, talipes origin, 英语词源]