emarginate (adj.)youdaoicibaDictYouDict[emarginate 词源字典]
"having the margin or extremity notched," 1731 (implied in emarginated), from Latin emarginatus, past participle of emarginare, from assimilated form of ex- (see ex-) + margo "edge, brink, border, margin" (see margin (n.)). Related:" Emargination.[emarginate etymology, emarginate origin, 英语词源]