Where does “authenticus” come from?

authenticus (Latin) comes from Ancient Greek αὐθεντικός, from Ancient Greek αὐθέντης, from Ancient Greek αὐτο-, from Ancient Greek αὐτός, from Proto-Indo-European h₂ew, from Proto-Indo-European ǵʰe — Postpositional intensifying particle: indeed, at any rate, in fact.

authenticus (Latin): original, genuine, authentic

Definitions

original, genuine, authentic

Ancestry of “authenticus”, step by step

authenticus traces back through two separate lines of ancestry.

via Ancient Greek αὐθεντικός

Step	Language	Word	Meaning
1	Ancient Greek	αὐθεντικός	warranted, authentic, authoritative
2	Ancient Greek	αὐθέντης	a perpetrator of any act, especially that he...
3	Ancient Greek	αὐτο-	self-
4	Ancient Greek	αὐτός	αὐτή f, αὐτό n; "first/second declension";...
5	Proto-Indo-European	h₂ew	away from, off; again
6	Proto-Indo-European	ǵʰe	Postpositional intensifying particle: indeed, at any rate, in fact

via Ancient Greek αὐθεντῐκός

Step	Language	Word	Meaning
1	Ancient Greek	αὐθεντῐκός	warranted, authentic, authoritative

Words derived from “authenticus”

Every word from Proto-Indo-European ǵʰe →