autosome (n.)youdaoicibaDictYouDict[autosome 词源字典]
coined 1906 by U.S. cytologist T.H. Montgomery (1873-1912), from auto- + -some (3)). Related: Autosomal.[autosome etymology, autosome origin, 英语词源]
autosuggestion (n.)youdaoicibaDictYouDict
also auto-suggestion, 1879, a hybrid from auto- + suggestion. The idea, and probably the model for the word, originally from French.
autositeyoudaoicibaDictYouDict
"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.