seignior (n.)youdaoicibaDictYouDict[seignior 词源字典]
"lord of a manor," late 13c., from Old French seignior (11c., Modern French seigneur), from Latin seniorem (nominative senior) "older" (see senior (adj.)). As a general title for a Frenchman, it dates from 1580s. Related: Seigniorial; seignioral.[seignior etymology, seignior origin, 英语词源]