Where does “photoconjunctivitis” come from?

photoconjunctivitis (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-.

photoconjunctivitis (English): Inflammation of the conjunctiva caused by UV...

Definitions

  1. Inflammation of the conjunctiva caused by UV...

Ancestry of “photoconjunctivitis”, step by step

photoconjunctivitis 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 conjunctivitis

StepLanguageWordMeaning
1EnglishconjunctivitisAn inflammation of the conjunctiva, often due to...
2English-itisSuffix denoting diseases characterized by...
3New Latin-ītis
4Ancient Greek-ῖτιςfemale equivalent of -ίτης
Every word from Proto-Indo-European bʰeh₂-s-ri-Every word from Proto-Indo-European bʰeh₂-Every word from Ancient Greek φωτο-