Where does “Ethnologin” come from?

Ethnologin (German) comes from German Ethnologe, from German ethno-, from Ancient Greek ἔθνος, from Ancient Greek ἔθω, from Proto-Indo-European swe-dʰh₁-, from Proto-Indo-European dʰeh₁- — to do, put, place.

Ethnologin (German): a female ethnologist

Definitions

a female ethnologist

Ancestry of “Ethnologin”, step by step

Step	Language	Word	Meaning
1	German	Ethnologe	ethnologist
2	German	ethno-	ethno
3	Ancient Greek	ἔθνος	group of people: tribe, family; group of animals:...
4	Ancient Greek	ἔθω	I am accustomed, I tend to
5	Proto-Indo-European	swe-dʰh₁-	—
6	Proto-Indo-European	dʰeh₁-	to do, put, place

Every word from Proto-Indo-European dʰeh₁- →Every word from Proto-Indo-European swe-dʰh₁- →Every word from Ancient Greek ἔθω →