Where does “-zygous” come from?

-zygous (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.

-zygous (English): Having or originating from a specified state as a...

Definitions

  1. Having or originating from a specified state as a...

Ancestry of “-zygous”, step by step

-zygous 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 zygo

StepLanguageWordMeaning
1Englishzygo

Words derived from “-zygous

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