Meaning

noun (Roman Catholic Church and Anglican Church) feast day celebrating the circumcision of Jesus; celebrated on January 1st

noun the act of circumcising performed on males eight days after birth as a Jewish and Muslim religious rite

noun the act of circumcising; surgical removal of the foreskin of males

originFrom Middle English circumcisioun, from Old French circumcisiun (modern French circoncision) and its etymon Latin circumcīsiōn-, from circumcīdō (“cut around”), from circum (“about, around; through”) + caedō (“cut, hew”). By surface analysis, circumcis(e) + -ion.

Etymology from Wiktionary, CC BY-SA 3.0