διεκτρέφω

From LSJ

ψυχῆς ἀγῶνα τὸν προκείμενον πέρι δώσων → to stand the appointed trial for his life, to stand the appointed struggle for life and death

Source

Spanish (DGE)

alimentar, nutrir Tz.Alleg.Il.20.257, 22.166.