/ ˌsɜːkəmˈsɪʒn; NAmE ˌsɜːrk-/ noun
[ U , C ] the act of circumcising sb; the religious ceremony when sb, especially a baby, is circumcised
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WORD ORIGIN
Middle English : from late Latin circumcisio(n-) , from the verb circumcidere , from circum around, about + caedere to cut.