Where does “αγορητής” come from?

αγορητής (Greek) comes from Ancient Greek ἀγορητής, from Ancient Greek ἀγοράομαι, from Ancient Greek ἀγορά, from Ancient Greek ἀγείρω, from Proto-Hellenic agéřřō, from Proto-Indo-European h₂ger- — to gather; flock, herd.

αγορητής (Greek): orator, public speaker, speechmaker

Definitions

orator, public speaker, speechmaker

Ancestry of “αγορητής”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	ἀγορητής	speaker, orator
2	Ancient Greek	ἀγοράομαι	to sit in assembly
3	Ancient Greek	ἀγορά	assembly, especially an assembly of the people;...
4	Ancient Greek	ἀγείρω	to collect, gather
5	Proto-Hellenic	agéřřō	to collect, to gather
6	Proto-Indo-European	h₂ger-	to gather; flock, herd

Every word from Proto-Indo-European h₂ger- →Every word from Proto-Hellenic agéřřō →Every word from Ancient Greek ἀγείρω →