Where does “endoflagellum” come from?

endoflagellum (English) comes from English flagellum, from Latin flagellum, from Latin -lus, from Proto-Italic -elos, from Proto-Indo-European -e-lós, from Proto-Indo-European -lós — Forms agent nouns from verbal roots.

endoflagellum (English): Any of a series of flagella, wound around spirochetes, that form an axial filament

Definitions

  1. Any of a series of flagella, wound around spirochetes, that form an axial filament

Ancestry of “endoflagellum”, step by step

endoflagellum traces back through two separate lines of ancestry.

via English flagellum

StepLanguageWordMeaning
1EnglishflagellumIn protists, a long, whiplike membrane-enclosed...
2Latinflagellumwhip, lash, scourge; whip for driving animals;...
3Latin-lusAlternative form of -ulus; diminutive suffix
4Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
5Proto-Indo-European-e-lós
6Proto-Indo-European-lósForms agent nouns from verbal roots

via English endo

StepLanguageWordMeaning
1Englishendomarijuana; A bike trick where the bike is ridden...
2Ancient Greekἔνδονin, within
3Proto-Hellenicéndon
4Proto-Indo-Europeanh₁n̥dóminside
5Proto-Indo-Europeanh₁n̥dóinto, inside
6Proto-Indo-Europeanh₁énin
Every word from Proto-Indo-European -lósEvery word from Latin -lusEvery word from Latin flagellum