πήδησις

A. leaping, πηδήσεις σατυρικαί Id. Ant. 75; πηδήσεις ἐπὶ τοὺς ἵππους Arr. Tact. 43.3; of wood burning, Thphr. Ign. 69.

II. beating or throbbing of the heart, Pl. Ti. 70c, Lg. 791a, Arist. PA 669a20, Phld. Ir p.27 W.