Where does “эгрегор” come from?

эгрегор (Russian) comes from French égrégore, from Ancient Greek ἐγρήγορος, from Ancient Greek ἐγείρω, from Proto-Hellenic egéřřō, from Proto-Indo-European h₁ger- — to be awake, to awaken; to be awake, to wake up.

эгрегор (Russian): an egregore

Definitions

an egregore

Ancestry of “эгрегор”, step by step

Step	Language	Word	Meaning
1	French	égrégore	an autonomous psychic entity composed of and...
2	Ancient Greek	ἐγρήγορος	wakeful
3	Ancient Greek	ἐγείρω	to awaken, wake up, rouse, stir; to rouse, stir...
4	Proto-Hellenic	egéřřō	—
5	Proto-Indo-European	h₁ger-	to be awake, to awaken; to be awake, to wake up

Every word from Proto-Indo-European h₁ger- →Every word from Proto-Hellenic egéřřō →Every word from Ancient Greek ἐγείρω →