ἀπολούτριος
From LSJ
ἅτε γὰρ ἐννάλιον πόνον ἐχοίσας βαθύν σκευᾶς ἑτέρας, ἀβάπτιστος εἶμι φελλὸς ὣς ὑπὲρ ἕρκος ἅλμας → for just as when the rest of the tackle labors in the depths of the sea, like a cork I shall go undipped over the surface of the brine | as when the other part of the tackle is laboring deep in the sea, I go unsoaked like a cork above the surface of the sea
English (LSJ)
ἀπολούτριον, washed off: τὰ ἀπολούτρια (sc. ὕδατα) water which has been used for washing, Ael.NA17.11:—also ἀπόλουτρον, τό, Sch.Ar.Eq. 1401.