Where does “αγροφύλακας” come from?

αγροφύλακας (Greek) comes from Greek αγρός, from Ancient Greek ἀγρός, from Proto-Hellenic agrós, from Proto-Indo-European h₂éǵros — field, pasturage.

αγροφύλακας (Greek): rural policeman, field warden

Definitions

αγροφύλακας traces back through two separate lines of ancestry.

Step	Language	Word	Meaning
1	Greek	αγρός	field; countryside
2	Ancient Greek	ἀγρός	field, land, countryside
3	Proto-Hellenic	agrós	field; arable land; countryside
4	Proto-Indo-European	h₂éǵros	field, pasturage

Step	Language	Word	Meaning
1	Greek	φύλακας	guard, gatekeeper, attendant, warden, custodian
2	Ancient Greek	φύλαξ	guard; sentry