ἐπενθρώσκειν

From LSJ

ἀναπηδῆσαι πρὸς τὸν πάππον → jumped up on his grandfather's knees, sprang up into his grandfather's lap

Source

Greek > English (Woodhouse Verbs Reversed)

(see also: ἐπενθρώσκω) jump on, leap on, spring on