Where does “αγοραφοβία” come from?

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

αγοραφοβία (Greek): agoraphobia

Definitions

agoraphobia

Ancestry of “αγοραφοβία”, step by step

αγοραφοβία traces back through two separate lines of ancestry.

via Greek αγορά

Step	Language	Word	Meaning
1	Greek	αγορά	agora, the ancient square or marketplace, the...
2	Ancient Greek	ἀγορά	assembly, especially an assembly of the people;...
3	Ancient Greek	ἀγείρω	to collect, gather
4	Proto-Hellenic	agéřřō	to collect, to gather
5	Proto-Indo-European	h₂ger-	to gather; flock, herd

via Greek φόβος

Step	Language	Word	Meaning
1	Greek	φόβος	fear; apprehension, awe
2	Ancient Greek	Φόβος	mythological personification of fear
3	Proto-Indo-European	bʰegʷ-	to flee; to run

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