cryosurgery

Etymology tree
Ancient Greek κρῠ́ος (krŭ́os)lbor.
English cryo-
Proto-Indo-European *ǵʰes-
Proto-Indo-European *-ōr
Proto-Indo-European *ǵʰésōr
Proto-Hellenic *kʰéhər
Ancient Greek χείρ (kheír)
Proto-Indo-European *werǵ-
Proto-Indo-European *-om
Proto-Indo-European *wérǵom
Proto-Hellenic *wérgon
Ancient Greek ἔργον (érgon)
Ancient Greek -ουργός (-ourgós)
Ancient Greek χειρουργός (kheirourgós)
Proto-Indo-European *-eti
Proto-Indo-European *-eyéti
Proto-Indo-European *-esyéti
Proto-Indo-European *-éh₁ti
Proto-Indo-European *-yeti
Proto-Indo-European *-éh₁yeti
Proto-Indo-European *-yeti
Proto-Indo-European *-éyeti
Ancient Greek -έω (-éō)
Ancient Greek χειρουργέω (kheirourgéō)
Proto-Indo-European *-h₂
Proto-Indo-European *-éh₂
Proto-Indo-European *-i-eh₂
Proto-Hellenic *-íā
Ancient Greek -ῐ́ᾱ (-ĭ́ā)
Ancient Greek χειρουργίᾱ̆ (kheirourgíā̆)bor.
Latin chīrūrgiader.
Old French surgie
Old French surgeriebor.
Middle English surgerie
English surgery
English cryosurgery
From cryo- + surgery.