Where does “scotochromogenic” come from?

scotochromogenic (English) comes from English scotochromogen, from English chromogen, from English Gen, from English again, from Middle English agayn, from Old English onġēan, from Old English on-, from Old English and- — on, onto.

scotochromogenic (English): Of or pertaining to a scotochromogen

Definitions

  1. Of or pertaining to a scotochromogen

Ancestry of “scotochromogenic”, step by step

StepLanguageWordMeaning
1EnglishscotochromogenA microorganism whose pigmentation develops in...
2EnglishchromogenAny substance that lacks colour, but can be...
3EnglishGenA member of the Gen Movement, a youth expression...
4EnglishagainAnother time; once more; Over and above a factor...
5Middle Englishagaynagain
6Old Englishonġēanopposite
7Old Englishon-forming verbs and adjectives from participles and...
8Old Englishand-against, opposing; in return, back; facing,...
9Proto-West Germanicanda-against, opposing; in return, back; facing,...
10Proto-Germanicanda-against, opposing; un-, de-
11Proto-Indo-Europeanh₂éntiopposite; near; in front
12Proto-Indo-Europeanh₂éntsforehead; front
13Proto-Indo-Europeanh₂ent-face; forehead; front
14Proto-Indo-Europeanh₂en-on, onto
Every word from Proto-Indo-European h₂en-Every word from Proto-Indo-European h₂ent-Every word from Proto-Indo-European h₂énts