πλύσιμον
From LSJ
Κύριε, σῶσον τὸν δοῦλον σου κτλ. → Lord, save your slave ... (mosaic inscription from 4th cent. church in the Negev)
English (LSJ)
[ῠ], τό, A washing-place, Gloss.: pl., either, clothes for washing, or, payments for washing, PCair.Zen.457.7 (iii B. C.).