Where does “actinic” come from?

Actinic comes from French actinique, from Latin actinicus, from Proto-Indo-European -kos, an adjectival suffix of uncertain origin.

actinic (English): Of or relating to actinism; Composed of actin;...

Definitions

  1. Of or relating to actinism; Composed of actin;...

Ancestry of “actinic”, step by step

actinic traces back through two separate lines of ancestry.

via Ancient Greek ἀκτίς

StepLanguageWordMeaning
1Ancient Greekἀκτίςray, beam; brightness, splendor; spoke

via French actinique

StepLanguageWordMeaning
1Frenchactiniqueactinic

Words derived from “actinic”

Every word from Ancient Greek ἀκτίς →