pectinealyoudaoicibaDictYouDict[pectineal 词源字典]
"Relating to or connected with the pectineus muscle or with the pubic bone, especially its upper anterior surface", Mid 19th cent.; earliest use found in George Viner Ellis (1812–1900). From pectineus + -al.[pectineal etymology, pectineal origin, 英语词源]