Where does “phototaxis” come from?

phototaxis (English) comes from English photo-, from Ancient Greek φωτο-, from Ancient Greek φῶς, from Proto-Hellenic pʰáos, from Proto-Indo-European bʰéh₂os, from Proto-Indo-European bʰeh₂-, from Proto-Indo-European bʰeh₂-s-ri-.

phototaxis (English): The movement of an organism either towards or...

Definitions

  1. The movement of an organism either towards or...

Ancestry of “phototaxis”, step by step

StepLanguageWordMeaning
1Englishphoto-light, electromagnetic radiation; photography
2Ancient Greekφωτο-—
3Ancient GreekφῶςAttic form of φᾰ́ος
4Proto-Hellenicpʰáos—
5Proto-Indo-Europeanbʰéh₂os—
6Proto-Indo-Europeanbʰeh₂-to shine, glow light; to speak, say
7Proto-Indo-Europeanbʰeh₂-s-ri-—

Words derived from “phototaxis”

Every word from Proto-Indo-European bʰeh₂-s-ri- →Every word from Proto-Indo-European bʰeh₂- →Every word from Ancient Greek φωτο- →