Le anglese appoia "peripetias". Secundo mi grande Webster's Dictionary in INFOPEDIA il ha: peripeteia n [Gk, fr. peripiptein to fall around, change suddenly, fr. peri- + piptein to fall more at FEATHER] (1591) : a sudden or unexpected reversal of circumstances or situation esp. in a literary work. peripety n , pl -ties (1753) : PERIPETEIA Stan Mulaik