Where does “chromous” come from?

chromous (English) comes from English ous, from English ou, from Afrikaans ou, from Dutch oud, from Middle Dutch out, from Old Dutch ald, from Proto-West Germanic ald, from Proto-Germanic aldaz — to grow, nourish.

chromous (English): of, relating to, or containing chromium,...

Definitions

  1. of, relating to, or containing chromium,...

Ancestry of “chromous”, step by step

chromous traces back through two separate lines of ancestry.

via English ous

StepLanguageWordMeaning
1Englishousplural of ou
2EnglishouA probably extinct species of Hawaiian...
3AfrikaansouAn old fellow, guy, bloke; attributive form of...
4Dutchoudold
5Middle Dutchoutold
6Old Dutchald
7Proto-West Germanicaldold
8Proto-Germanicaldazold, grown up
9Proto-Indo-Europeanh₂eltós
10Proto-Indo-Europeanh₂él-to grow, nourish

via English chromo

StepLanguageWordMeaning
1EnglishchromoA color print produced by chromolithography; A...
2EnglishchromolithographA print made by chromolithography; To create a...
3EnglishlithographA printed image produced by lithography; To...
4EnglishlithographyThe process of printing an image by drawing the...
5GermanLithographieAlternative spelling of Lithografie
6Ancient Greekγράφεινpresent active infinitive of γρᾰ́φω; writε; to...
Every word from Proto-Indo-European h₂él-
chromous — Etymology, Origin & Word History | Etymology Explorer