Where does “nonprophylactic” come from?

nonprophylactic (English) comes from English non, from French non, from Old French non, from Latin nōn, from Old Latin noenum, from Proto-Indo-European óynos — one; single.

nonprophylactic (English): Not prophylactic

Definitions

  1. Not prophylactic

Ancestry of “nonprophylactic”, step by step

nonprophylactic traces back through two separate lines of ancestry.

via English non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum
6Proto-Indo-Europeanóynosone; single

via English prophylactic

StepLanguageWordMeaning
1EnglishprophylacticA medicine which preserves or defends against...
2Latinprophylacticus
3Ancient Greekπροφυλακτικόςprophylactic
4Ancient Greek-ικόςof or pertaining to, in the manner of; -ic
5Ancient Greek-κόςforms adjectives with the sense of 'of or...
6Proto-Indo-European-ḱos-y, -ic
Every word from Proto-Indo-European óynosEvery word from Old Latin noenumEvery word from Latin nōn
nonprophylactic — Etymology, Origin & Word History | Etymology Explorer