profilius

prō +‎ fīlius

• (Classical Latin) IPA^(key): [proːˈfiː.li.ʊs]
• (modern Italianate Ecclesiastical) IPA^(key): [proˈfiː.li.us]

prōfīlius m (genitive prōfīliī or prōfīlī); second declension

1. (Medieval Latin) a grandson

Second-declension noun.

¹Found in older Latin (until the Augustan Age).

• (grandson): nepōs (Classical)

• "profilius", in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• Jan Frederik Niermeyer, Mediae Latinitatis Lexicon Minus : Lexique Latin Médiéval–Français/Anglais : A Medieval Latin–French/English Dictionary, fascicle I (1976), page 860/1, “profilius”