Where does “photoheliography” come from?

photoheliography (English) comes from English heliography, from English helio, from English heliotrope, from French héliotrope, from Latin heliotropium, from Ancient Greek ἡλιοτρόπιον, from Ancient Greek Ἥλιος, from Ancient Greek τύπος — to push, to hit.

photoheliography (English): Heliography (photography of the sun), especially as undertaken using a photoheliograph

Definitions

  1. Heliography (photography of the sun), especially as undertaken using a photoheliograph

Ancestry of “photoheliography”, step by step

photoheliography traces back through two separate lines of ancestry.

via English heliography

StepLanguageWordMeaning
1EnglishheliographyThe scientific study of the sun; The art of...
2EnglishhelioA heliotrope
3EnglishheliotropeA plant that turns so that it faces the sun; A...
4Frenchhéliotropeheliotrope
5Latinheliotropiumheliotrope
6Ancient Greekἡλιοτρόπιονheliotrope; sundial, solar clock; bloodstone, a...
7Ancient GreekἭλιοςsun
8Ancient GreekτύποςA blow, pressing; The results of a blow: mark,...
9Ancient Greekτύπτωto beat, strike, smite; to beat, strike oneself
10Proto-Indo-European(s)tewp-to push, to stick
11Proto-Indo-European(s)tew-to push, to hit

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-
Every word from Proto-Indo-European (s)tew-Every word from Proto-Indo-European (s)tewp-Every word from Ancient Greek τύπτω