Where does “photostress” come from?

photostress (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-.

photostress (English): Exposure of the eye to bright light and...

Definitions

  1. Exposure of the eye to bright light and...

Ancestry of “photostress”, step by step

photostress 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 stress

StepLanguageWordMeaning
1EnglishstressA physical, chemical, infective agent aggressing...
2Middle Englishdestresse
3Old Frenchdestrecierto distress
4Latindistringōto stretch out or apart
5Latindis-asunder, apart, in two; reversal, removal;...
6Latincalceusshoe
7Latincalxlimestone; chalk; the finish line
8Ancient Greekχάλιξsmall stone, pebble; gravel, rubble
Every word from Proto-Indo-European bʰeh₂-s-ri-Every word from Proto-Indo-European bʰeh₂-Every word from Ancient Greek φωτο-
photostress — Etymology, Origin & Word History | Etymology Explorer