heraldry (n.)youdaoicibaDictYouDict[heraldry 词源字典]
"art of arms and armorial bearings," late 14c., heraldy, from Old French hiraudie "heralds collectively," from hiraut (see herald (n.)). The spelling with -r- is attested from 1570s (see poetry, pedantry).[heraldry etymology, heraldry origin, 英语词源]