lineage (n.)youdaoicibaDictYouDict[lineage 词源字典]
late 17c. alteration (by influence of line (n.)) of Middle English linage (c. 1300), from Old French lignage "descent, extraction, race," from ligne "line," from Latin linea "string, line, thread" (see line (n.)).[lineage etymology, lineage origin, 英语词源]