metronymic (adj.)youdaoicibaDictYouDict[metronymic 词源字典]
"derived from the name of a mother or maternal ancestor," 1881, from Late Greek metronymikos "named for one's mother," from meter (genitive metros) "mother" (see mother (n.1)) + onyma (see name (n.)). Related: Metronymically (1822).[metronymic etymology, metronymic origin, 英语词源]