ὑπηρέσ-ιον · hypēres-ion — LSJ
cushion on a rowerʼs 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.
riding-pad or saddle-cloth, D.S. 20.4.
rowers’ pay, AB 312, Phot.
= ὑπηρετικὸν πλοῖον, Eratosth. ap. Str. 2.1.23.