πίπτειν πρὸς τὰ γόνατά

From LSJ

Ἔνιοι δὲ καὶ μισοῦσι τοὺς εὐεργέτας → Nonnulli oderunt adeo beneficos sibi → Es hassen manche sogar ihre Wohltäter

Menander, Monostichoi, 171

Greek > English (Woodhouse)

fall at a person's knees