10 letters · 14 points in Scrabble
noun a sudden and unexpected change of fortune or reverse of circumstances (especially in a literary work)
originFrom Late Latin peripetia, and its source Ancient Greek περιπέτεια (peripéteia), from περιπίπτω (peripíptō, “to change suddenly”), from περί (perí, “round, around, about”) + the stem of πίπτω (píptō, “to fall”).
Etymology from Wiktionary, CC BY-SA 3.0