ὑπερκάμνειν

From LSJ

κεντέω τὸν πῶλον περὶ τὴν νύσσαν → of impetuous haste, goad the foal around the turning post

Source

Greek > English (Woodhouse Verbs Reversed)

(see also ὑπερκάμνω): endure suffering for another, labor for, labour for, toil for, work for