Where does “retronymous” come from?

retronymous (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.

Ancestry of “retronymous”, step by step

retronymous 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 retronym

StepLanguageWordMeaning
1EnglishretronymA new word or phrase coined for an old object or...
2English-onymname; word
3Ancient GreekὄνυμαDoric and Aeolic form of ὄνομᾰ
4Ancient Greekὄνομαname; fame; noun, in the wide sense: referring to...
5Proto-Indo-Europeanh₁nómn̥name
6Proto-Indo-Europeanh₃neh₃-to name

Words derived from “retronymous

Every word from Proto-Indo-European h₂él-Every word from Proto-Indo-European h₂eltósEvery word from Proto-Germanic aldaz