craniosurgical

Etymology tree
Proto-Indo-European *ḱer-
Proto-Indo-European *-h₂
?
Proto-Indo-European *ḱerh₂-
Proto-Indo-European *-ō
Proto-Indo-European *ḱr̥h₂-(e)s-n-
Proto-Hellenic *kárahə
Ancient Greek *κρᾱν- (*krān-)
Proto-Indo-European *-yósder.
Ancient Greek -ῐος (-ĭos)?
Ancient Greek -ῐ́ον (-ĭ́on)
Ancient Greek κρᾱνῐ́ον (krānĭ́on)bor.
Medieval Latin crāniumlbor.
English cranio-
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 *-kos
Ancient Greek -κός (-kós)
Ancient Greek -ικός (-ikós)
Ancient Greek χειρουργῐκός (kheirourgĭkós)bor.
Late Latin chīrurgicus
Proto-Indo-European *h₂el-der.?
Proto-Italic *-ālis
Latin -ālis
Medieval Latin cirurgicālisder.
Middle French cirurgicalbor.
Middle English cirurgicalder.
English surgical
English craniosurgical
From cranio- + surgical.