Probably akin to the alternate of pipto (through the idea of causing to fall) or to petomai (through that of causing to fly away); to scare -- frighten.
see GREEK pipto
see GREEK petomai
πτοηθέντες (ptoēthentes) − 1 Occurrence
πτοηθῆτε (ptoēthēte) − 1 Occurrence