Where does “photoinsensitive” come from?

photoinsensitive (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-.

photoinsensitive (English): Not easily affected by lights

Definitions

  1. Not easily affected by lights

Ancestry of “photoinsensitive”, step by step

photoinsensitive 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 insensitive

StepLanguageWordMeaning
1EnglishinsensitiveNot expressing normal physical feeling; Not...
2Englishin-in, into, towards, within; in, into; Used with...
3Middle Englishin-
4Old Englishin-in, into; on, upon; internal, positioned on the...
5Old Englishinin; Alternative form of inn
6Proto-West Germanic*in
7Proto-Germanicinin; into
8Proto-Indo-Europeanénin
Every word from Proto-Indo-European bʰeh₂-s-ri-Every word from Proto-Indo-European bʰeh₂-Every word from Ancient Greek φωτο-