Origin of paterfamiliasClassical Latin
Origin of paterfamiliasLatin paterfamilias : pater, father; see pater + familias, archaic genitive of familia, family; see family.
(plural paterfamiliases or patresfamilias)
From around 1425 to 1475 from late Middle English which itself came from the Latin term with the same meaning. From the Latin term pater ("father") + familiÄs, an archaic genitive of familia ("family", "household"). Literally meaning "father of the family" or "father of the household". Confer the English word family.