Where does “magnetosome” come from?

magnetosome (English) comes from English some, from Middle English som, from Old English sum, from Proto-West Germanic *sum, from Proto-Germanic sumaz, from Proto-Indo-European sem- — together, one.

magnetosome (English): A membranous prokaryotic organelle, containing...

Definitions

  1. A membranous prokaryotic organelle, containing...

Ancestry of “magnetosome”, step by step

magnetosome traces back through two separate lines of ancestry.

via English some

StepLanguageWordMeaning
1EnglishsomeA certain number, at least two; An indefinite...
2Middle Englishsomsome
3Old Englishsumsome
4Proto-West Germanic*sumsome
5Proto-Germanicsumazsome (one), a certain (one)
6Proto-Indo-Europeansem-together, one

via English magneto

StepLanguageWordMeaning
1EnglishmagnetoA small magnetic dynamo, especially one that...
Every word from Proto-Indo-European sem-Every word from Proto-Germanic sumazEvery word from Proto-West Germanic *sum
magnetosome — Etymology, Origin & Word History | Etymology Explorer