Where does “prophylacticus” come from?

prophylacticus (Latin) comes from Ancient Greek προφυλακτικός, from Ancient Greek -ικός, from Ancient Greek -κός, from Proto-Indo-European -ḱos — -y, -ic.

Ancestry of “prophylacticus”, step by step

StepLanguageWordMeaning
1Ancient Greekπροφυλακτικόςprophylactic
2Ancient Greek-ικόςof or pertaining to, in the manner of; -ic
3Ancient Greek-κόςforms adjectives with the sense of 'of or...
4Proto-Indo-European-ḱos-y, -ic

Words derived from “prophylacticus

Every word from Proto-Indo-European -ḱos