Where does “nonactinic” come from?

nonactinic (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.

nonactinic (English): Not actinic

Definitions

  1. Not actinic

Ancestry of “nonactinic”, step by step

nonactinic 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 actinic

StepLanguageWordMeaning
1EnglishactinicOf or relating to actinism; Composed of actin;...
2Ancient Greekἀκτίςray, beam; brightness, splendor; spoke
Every word from Proto-Indo-European óynos →Every word from Old Latin noenum →Every word from Latin nōn →