Where does “energumen” come from?

energumen (English) comes from French énergumène, from Latin energumenos, from Ancient Greek ἐνεργούμενος, from Ancient Greek ἐνεργέω, from Ancient Greek ἐνεργός, from Ancient Greek ἐν-, from Ancient Greek ἐν, from Ancient Greek δέρμα — Creates collective nouns, which refer to groups...

energumen (English): A person possessed by an evil ghost, spirit, or...

Definitions

A person possessed by an evil ghost, spirit, or...

Ancestry of “energumen”, step by step

energumen traces back through two separate lines of ancestry.

via French énergumène

Step	Language	Word	Meaning
1	French	énergumène	energumen; fanatic, zealot; one expressing him or...
2	Latin	energumenos	possessed by the devil
3	Ancient Greek	ἐνεργούμενος	—
4	Ancient Greek	ἐνεργέω	to be in action or activity, to operate; to...
5	Ancient Greek	ἐνεργός	at work, active
6	Ancient Greek	ἐν-	in, within; on
7	Ancient Greek	ἐν	in, on, at; among; in, at, or during the time of
8	Ancient Greek	δέρμα	skin, hide
9	Ancient Greek	γλυφή	carving, carved work; hole cut
10	Ancient Greek	-ῐ́ᾱ	{{l\|en\|-ia}}; "suffix forming abstract feminine...
11	Proto-Indo-European	-íh₂	—
12	Proto-Indo-European	-h₂	Creates collective nouns, which refer to groups...

via Latin energumenus

Step	Language	Word	Meaning
1	Latin	energumenus	—

Every word from Proto-Indo-European -h₂ →Every word from Ancient Greek -ῐ́ᾱ →Every word from Ancient Greek ἐν- →