Where does “photogen” come from?

photogen (English) comes from English Gen, from English again, from Middle English agayn, from Old English onġēan, from Old English on-, from Old English and-, from Proto-West Germanic anda-, from Proto-Germanic anda- — on, onto.

photogen (English): A light hydrocarbon oil resembling kerosene, used...

Definitions

  1. A light hydrocarbon oil resembling kerosene, used...

Ancestry of “photogen”, step by step

photogen traces back through two separate lines of ancestry.

via English Gen

StepLanguageWordMeaning
1EnglishGenA member of the Gen Movement, a youth expression...
2EnglishagainAnother time; once more; Over and above a factor...
3Middle Englishagaynagain
4Old Englishonġēanopposite
5Old Englishon-forming verbs and adjectives from participles and...
6Old Englishand-against, opposing; in return, back; facing,...
7Proto-West Germanicanda-against, opposing; in return, back; facing,...
8Proto-Germanicanda-against, opposing; un-, de-
9Proto-Indo-Europeanh₂éntiopposite; near; in front
10Proto-Indo-Europeanh₂éntsforehead; front
11Proto-Indo-Europeanh₂ent-face; forehead; front
12Proto-Indo-Europeanh₂en-on, onto

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-

Words derived from “photogen

Every word from Proto-Indo-European h₂en-Every word from Proto-Indo-European h₂ent-Every word from Proto-Indo-European h₂énts