penectomy

Etymology tree
Proto-Indo-European *pes-
Proto-Indo-European *pes-ni-s
Proto-Italic *peznis
Latin pēnislbor.
English penis
Proto-Indo-European *h₁éǵʰ
Proto-Indo-European *-s
Proto-Indo-European *h₁eǵʰs
Proto-Hellenic *eks
Ancient Greek ἐκ (ek)
Ancient Greek ἐκ- (ek-)
Proto-Indo-European *temh₁-
Proto-Indo-European *-né-
Ancient Greek τέμνω (témnō)
Ancient Greek ἐκτέμνω (ektémnō)
Ancient Greek -ᾱ (-ā)
Ancient Greek -η (-ē)
Ancient Greek ἐκτομή (ektomḗ)der.
English -ectomy
English penectomy
From penis + -ectomy.