Where does “photopion” come from?

photopion (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-.

photopion (English): A pion generated by the action of light

Definitions

  1. A pion generated by the action of light

Ancestry of “photopion”, step by step

photopion 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 pion

StepLanguageWordMeaning
1EnglishpionAny of three semistable mesons, having positive,...
2EnglishPiThe sixteenth letter of the Classical and Modern Greek alphabets and the seventeenth in Old Greek
3Ancient GreekπῖAlternative form of πεῖ
4Ancient Greekπεῖpi, the name for the sixteenth letter Π, π of the...
5Proto-Semiticpay-the mouth
Every word from Proto-Indo-European bʰeh₂-s-ri-Every word from Proto-Indo-European bʰeh₂-Every word from Ancient Greek φωτο-