Where does “prophylactic” come from?

Prophylactic comes from Ancient Greek πρό combined with a root meaning "to protect," ultimately derived from Proto-Indo-European per- meaning "to lead or pass through."

prophylactic (English): A medicine which preserves or defends against...

Definitions

  1. A medicine which preserves or defends against...

Ancestry of “prophylactic”, step by step

StepLanguageWordMeaning
1Latinprophylacticus
2Ancient Greekπροφυλακτικόςprophylactic
3Ancient Greek-ικόςof or pertaining to, in the manner of; -ic
4Ancient Greek-κόςforms adjectives with the sense of 'of or...
5Proto-Indo-European-ḱos-y, -ic

Words derived from “prophylactic

Every word from Proto-Indo-European -ḱos