ὑπηρέσιον
From LSJ
Καλὸν τὸ νικᾶν ἀλλ' ὑπερνικᾶν κακόν → Vincere bonum est: ultra fas vincere lubricum → Schön ist zu siegen, übermäßig siegen schlecht
English (LSJ)
τό,
A cushion on a rower's bench, Th.2.93, Isoc.8.48, PCair.Zen.54.44 (iii B. C.); εἰς ὑ. καὶ κώπην, i.e. to rowers' service, Plu.Them.4. 2 riding-pad or saddle-cloth, D.S.20.4. II rowers' pay, AB312, Phot. III = ὑπηρετικὸν πλοῖον, Eratosth. ap.Str.2.1.23.