Where does “microsymbiont” come from?

microsymbiont (English) comes from English symbiont, from English syn-, from Ancient Greek σῠν-, from Ancient Greek σύν, from Proto-Hellenic *ksún — beside, with.

microsymbiont (English): A microscopic symbiont

Definitions

  1. A microscopic symbiont

Ancestry of “microsymbiont”, step by step

microsymbiont traces back through two separate lines of ancestry.

via English symbiont

StepLanguageWordMeaning
1EnglishsymbiontAn organism that lives in a symbiotic...
2Englishsyn-identical; with, together; concomitant
3Ancient Greekσῠν-together; with, together
4Ancient Greekσύνbeside, with
5Proto-Hellenic*ksúnbeside, with

via English micro

StepLanguageWordMeaning
1EnglishmicroSmall, relatively small; short form of...
2Ancient Greekμικρόςlittle, small
3Proto-Indo-Europeanmēy-soft, tender, dear
Every word from Proto-Hellenic *ksún →Every word from Ancient Greek σῠν- →Every word from Ancient Greek σύν →