τὸν καπνὸν φεύγων εἰς τὸ πῦρ ἐνέπεσεν → out of the frying pan into the fire, from the frying pan into the fire
πῡγαῖον: τό круп, зад: τὸ π. ἄκρον Her., Arst. (у птиц) гузка.