Where does “світлочутливий” come from?

світлочутливий (Ukrainian) comes from Ukrainian чутли́вий, from Ukrainian чути, from Old East Slavic чути, from Proto-Slavic čuti, from Proto-Indo-European (s)kewh₁- — to perceive; to observe.

світлочутливий (Ukrainian): light-sensitive, photosensitive

Definitions

  1. light-sensitive, photosensitive

Ancestry of “світлочутливий”, step by step

світлочутливий traces back through two separate lines of ancestry.

via Ukrainian чутли́вий

StepLanguageWordMeaning
1Ukrainianчутли́вийsensitive
2Ukrainianчутиto hear; to feel, to sense; to smell
3Old East Slavicчути—
4Proto-Slavicčutito sense; to feel; to notice
5Proto-Indo-European(s)kewh₁-to perceive; to observe

via Ukrainian сві́тло

StepLanguageWordMeaning
1Ukrainianсві́тлоlight
2Proto-Slavic*světьlolight
Every word from Proto-Indo-European (s)kewh₁- →Every word from Proto-Slavic čuti →Every word from Old East Slavic чути →
світлочутливий — Etymology, Origin & Word History | Etymology Explorer