Where does “nonchromogen” come from?

nonchromogen (English) comes 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-, from Proto-West Germanic anda- — on, onto.

nonchromogen (English): A microorganism that is not a chromogen; in...

Definitions

  1. A microorganism that is not a chromogen; in...

Ancestry of “nonchromogen”, step by step

nonchromogen traces back through two separate lines of ancestry.

via English chromogen

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

via English non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European h₂en-