Part of speech: Noun
a morbid fear of open spaces (as fear of being caught alone in some public place)
Categories: Phobia, Phobic disorder, Phobic neurosis
The word "agoraphobia" comes from Ancient Greek ἀγορά, which comes from Latin agoraphobia.
agora – A related word in the same word family.
-phobia – A related word in the same word family.
The Greek language preserved ancient Indo-European roots better than most other languages.