Where does “агора” come from?

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

агора (Bulgarian): agora

Definitions

agora

Ancestry of “агора”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	ἀγορά	assembly, especially an assembly of the people;...
2	Ancient Greek	ἀγείρω	to collect, gather
3	Proto-Hellenic	agéřřō	to collect, to gather
4	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 →