autositeyoudaoicibaDictYouDict[autosite 词源字典]
"The larger and more completely developed member of a pair of unequal conjoined twins, on which the less developed member (parasite) is dependent. In early use also: †either of a pair of equally developed conjoined twins ( obsolete )", Mid 19th cent. From French autosite from ancient Greek αὐτόσιτος bringing one's own provisions from αὐτο- + σῖτος food.[autosite etymology, autosite origin, 英语词源]