paternitas

From paternus (“of or pertaining to a father, paternal”) +‎ -tās, from pater (“father”).

paternitās f (genitive paternitātis); third declension

1. (Late Latin) fatherly feeling or care; fatherhood, paternity
2. (Late Latin) parental descent from the father's side

Third-declension noun.

• “paternitas”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• paternitas 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)
• paternitas in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette