Where does “ἀνάδρομος” come from?

ἀνάδρομος (Ancient Greek) comes from Ancient Greek δρόμος, from Ancient Greek -ός, from Proto-Hellenic *-os, from Proto-Indo-European -ós — Creates agent nouns from verb stems, denoting...

ἀνάδρομος (Ancient Greek): anadromous, of a fish entering a river from the sea

Definitions

anadromous, of a fish entering a river from the sea

Ancestry of “ἀνάδρομος”, step by step

ἀνάδρομος traces back through two separate lines of ancestry.

via Ancient Greek δρόμος

Step	Language	Word	Meaning
1	Ancient Greek	δρόμος	race, running; racetrack; course, path
2	Ancient Greek	-ός	Forms agentive or patientive adjectives and nouns from the o-grade of a verbal root
3	Proto-Hellenic	*-os	—
4	Proto-Indo-European	-ós	Creates agent nouns from verb stems, denoting...

via Ancient Greek ἀνατρέχω

Step	Language	Word	Meaning
1	Ancient Greek	ἀνατρέχω	to run back, return
2	Ancient Greek	ἀνα-	up to, upwards, up; thoroughly; indicating...
3	Ancient Greek	ᾰ̓νᾰ́	up; to, again, upon

Words derived from “ἀνάδρομος”

Every word from Proto-Indo-European -ós →Every word from Ancient Greek -ός →Every word from Ancient Greek δρόμος →