Meaning

noun the use of extreme cold (usually liquid nitrogen) to destroy unwanted tissue (warts or cataracts or skin cancers)

originEtymology 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)…

Etymology from Wiktionary, CC BY-SA 3.0