FrancisyoudaoicibaDictYouDict[Francis 词源字典]
masc. proper name, from French François, from Old French Franceis "noble, free," as a noun "a Frenchman, inhabitant of Ile-de-France; the French language," from Late Latin Franciscus, literally "Frankish;" cognate with French and frank (adj.).[Francis etymology, Francis origin, 英语词源]