[patr-] or patri- or patro- comb form [patr-, patri- fr. L, fr. patr-, pater; patr-, patro- fr. Gk, fr. patr-, pater--more at father]: father "patristic"
PATR-
Meaning of PATR- in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012