Where does “coelacanthous” come from?

coelacanthous (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.

coelacanthous (English): Relating to coelacanths

Definitions

  1. Relating to coelacanths

Ancestry of “coelacanthous”, step by step

coelacanthous 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 coelacanth

StepLanguageWordMeaning
1EnglishcoelacanthEither of two species of deep-water fish,...
2New LatinCoelacanthus
3Ancient GreekἄκανθαA thorny plant; A thorn, spine, or prickle;...
4Ancient Greekἄνθοςflower, blossom, bloom; froth, scum; bloom, peak
5Proto-Hellenicántʰosflower, blossom
6Proto-Indo-Europeanh₂éndʰosbloom
7Proto-Indo-European-osCreates action nouns or result nouns from verbs;...
Every word from Proto-Indo-European h₂él-Every word from Proto-Indo-European h₂eltósEvery word from Proto-Germanic aldaz