Main Entry: peri·pe·teia

Pronunciation: \ˌper-ə-pə-ˈtē-ə, -ˈtī-\

Function: noun

Etymology: Greek, from peripiptein to fall around, change suddenly, from peri- + piptein to fall — more at feather

Date: 1591

: a sudden or unexpected reversal of circumstances or situation especially in a literary work