Where does “endocone” come from?

endocone (English) comes from English endo, from Ancient Greek ἔνδον, from Proto-Hellenic éndon, from Proto-Indo-European h₁n̥dóm, from Proto-Indo-European h₁n̥dó, from Proto-Indo-European h₁én — in.

endocone (English): A calcareous conical structure on the shells of cephalopods of the genus Endoceras

Definitions

  1. A calcareous conical structure on the shells of cephalopods of the genus Endoceras

Ancestry of “endocone”, step by step

endocone traces back through two separate lines of ancestry.

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

via English Cone

StepLanguageWordMeaning
1EnglishConeA surface of revolution formed by rotating a segment of a line around another line that intersects the first line
2Middle Englishcone—
Every word from Proto-Indo-European h₁én →Every word from Proto-Indo-European h₁n̥dó →Every word from Proto-Indo-European h₁n̥dóm →