Where does “イコセン” come from?

イコセン (Japanese) comes from English eicosene, from English -ene, from French -ène, from Ancient Greek -ηνός, from Ancient Greek -νός, from Proto-Indo-European dʰeh₁- — to do, put, place.

イコセン (Japanese): eicosene

Definitions

eicosene

Ancestry of “イコセン”, step by step

Step	Language	Word	Meaning
1	English	eicosene	any of very many isomers of the unsaturated...
2	English	-ene	An unsaturated hydrocarbon having at least one...
3	French	-ène	-ene
4	Ancient Greek	-ηνός	-ian, -ese
5	Ancient Greek	-νός	Alternative form of -νος
6	Proto-Indo-European	dʰeh₁-	to do, put, place

Every word from Proto-Indo-European dʰeh₁- →Every word from English -ene →Every word from Ancient Greek -ηνός →