Where does “multisporous” come from?

multisporous (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.

Ancestry of “multisporous”, step by step

multisporous 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 multi

StepLanguageWordMeaning
1EnglishmultiA multituberculate; Neolamprologus multifasciatus
2EnglishmultituberculateHaving molars with multiple rows of cusps; Any of...
3EnglishtuberculateHaving tubercles; Tubercular
4Latintuberculatuswarty, tuberculate
5Latintūberculuma small swelling, bump, or protuberance; a boil, pimple, tubercle
6Latintūbera hump, bump, swelling, protuberance; excrescence
7Proto-Italictūβos
8Proto-Indo-Europeantewh₂-to swell; to crowd; to be strong
Every word from Proto-Indo-European h₂él-Every word from Proto-Indo-European h₂eltósEvery word from Proto-Germanic aldaz
multisporous — Etymology, Origin & Word History | Etymology Explorer