11 letters · 19 points in Scrabble
noun a morbid fear of open spaces (as fear of being caught alone in some public place)
originFrom Latin agoraphobia, from Ancient Greek ἀγορά (agorá, “assembly”) + φοβία (phobía, “fear”). By surface analysis, agora + -phobia. Coined by Karl Friedrich Otto Westphal in 1871.
Etymology from Wiktionary, CC BY-SA 3.0