a combining form meaning “father,” occurring originally in loanwords from Greek and Latin (patriarch; patrician), and used in the formation of new compounds (patrilineal ).
Also especially before a vowel, patr-.
Origin of patri-
combining form representing Latin pater, Greek patḗr father
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British Dictionary definitions for patri-
Word Origin for patri-
from Latin pater, Greek patēr father
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012