Where does “phototoxin” come from?

phototoxin (English) comes from English photo, from English photography, from French photographie, from Ancient Greek φωτο-, from Ancient Greek φῶς, from Proto-Hellenic pʰáos, from Proto-Indo-European bʰéh₂os, from Proto-Indo-European bʰeh₂-.

phototoxin (English): Any toxin that causes an allergic reaction in the...

Definitions

  1. Any toxin that causes an allergic reaction in the...

Ancestry of “phototoxin”, step by step

phototoxin traces back through two separate lines of ancestry.

via English photo

StepLanguageWordMeaning
1EnglishphotoA photograph; A photo finish; To take a...
2EnglishphotographyThe art and technology of producing images on...
3Frenchphotographiephotography; photograph
4Ancient Greekφωτο-
5Ancient GreekφῶςAttic form of φᾰ́ος
6Proto-Hellenicpʰáos
7Proto-Indo-Europeanbʰéh₂os
8Proto-Indo-Europeanbʰeh₂-to shine, glow light; to speak, say
9Proto-Indo-Europeanbʰeh₂-s-ri-

via English toxin

StepLanguageWordMeaning
1EnglishtoxinA toxic or poisonous substance produced by the...
2Latintoxicuma poison used on the tips of arrows; any poison
3Ancient Greekτοξικόνpoison used on the tips of arrows
4Ancient Greekτοξικόςof or for the bow; skilled in the use of the bow;...
5Ancient GreekλόγοςThat which is said: word, sentence, speech,...
6Ancient GreekλέγωI put in order, arrange, gather; I choose, count,...
7Proto-Indo-Europeanleǵ-to gather, collect, with derivatives meaning to...
Every word from Proto-Indo-European bʰeh₂-s-ri-Every word from Proto-Indo-European bʰeh₂-Every word from Ancient Greek φωτο-
phototoxin — Etymology, Origin & Word History | Etymology Explorer