Where does “heterosporous” come from?

heterosporous (English) comes from English sporous, 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 — to grow, nourish.

heterosporous (English): Producing both male and female gametophytes; API...

Definitions

  1. Producing both male and female gametophytes; API...

Ancestry of “heterosporous”, step by step

heterosporous traces back through two separate lines of ancestry.

via English sporous

StepLanguageWordMeaning
1EnglishsporousRelating to spores
2Englishousplural of ou
3EnglishouA probably extinct species of Hawaiian...
4AfrikaansouAn old fellow, guy, bloke; attributive form of...
5Dutchoudold
6Middle Dutchoutold
7Old Dutchald
8Proto-West Germanicaldold
9Proto-Germanicaldazold, grown up
10Proto-Indo-Europeanh₂eltós
11Proto-Indo-Europeanh₂él-to grow, nourish

via English hetero

StepLanguageWordMeaning
1EnglishheteroHeterosexual: of, pertaining to, or being a...
2EnglishheterosexualSexually attracted to members of the opposite...
3English-sexualForms a noun or adjective describing a state or...
4EnglishsexualArising from the fact of being male or female;...
5Latinsexuālissexual
6Latinsexusdivision; sex; gender
7Proto-Italicseksus
8Proto-Indo-Europeanséksus
9Proto-Indo-Europeansek-to cut, cut off, sever
Every word from Proto-Indo-European h₂él-Every word from Proto-Indo-European h₂eltósEvery word from Proto-Germanic aldaz
heterosporous — Etymology, Origin & Word History | Etymology Explorer