Where does “ἀγριοπήγανον” come from?

ἀγριοπήγανον (Ancient Greek) comes from Ancient Greek Ἄγριος, from Proto-Indo-European h₂éǵr̥yos, from Proto-Indo-European h₂éǵros — field, pasturage.

ἀγριοπήγανον (Ancient Greek): harmal, Syrian rue (Peganum harmala)

Definitions

harmal, Syrian rue (Peganum harmala)

Ancestry of “ἀγριοπήγανον”, step by step

ἀγριοπήγανον traces back through two separate lines of ancestry.

via Ancient Greek Ἄγριος

Step	Language	Word	Meaning
1	Ancient Greek	Ἄγριος	living in the open fields
2	Proto-Indo-European	h₂éǵr̥yos	campestral, field attributive, of or relating to fields
3	Proto-Indo-European	h₂éǵros	field, pasturage

via Ancient Greek πήγανον

Step	Language	Word	Meaning
1	Ancient Greek	πήγανον	rue, a plant from the genus "Ruta"

Every word from Proto-Indo-European h₂éǵros →Every word from Proto-Indo-European h₂éǵr̥yos →Every word from Ancient Greek Ἄγριος →