Where does “photostimulatory” come from?

photostimulatory (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-.

photostimulatory (English): That produces photostimulation

Definitions

  1. That produces photostimulation

Ancestry of “photostimulatory”, step by step

photostimulatory 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 stimulatory

StepLanguageWordMeaning
1Englishstimulatorystimulative; serving to stimulate
2EnglishstimulateTo encourage into action; To arouse an organism...
3Latinstimulātusstimulated
4Latinstimulōto urge on, goad on, stimulate, rouse up
5Latinstimulusa goad, prick; a sting; stimulus, incentive
6Proto-Indo-Europeanstey-to stick; compress; condense
Every word from Proto-Indo-European bʰeh₂-s-ri-Every word from Proto-Indo-European bʰeh₂-Every word from Ancient Greek φωτο-