ἀπολούτριος
From LSJ
δόξειε δ' ἂν τῆς κυριωτάτης καὶ μάλιστα ἀρχιτεκτονικῆς. τοιαύτη δ' ἡ πολιτικὴ φαίνεται → It would seem to belong to the most authoritative art and that which is most truly the master art. And politics appears to be of this nature.
English (LSJ)
ον,
A washed off: τὰ ἀπολούτρια (sc. ὕδατα) water which has been used for washing, Ael.NA17.11:—also ἀπό-λουτρον, τό, Sch.Ar.Eq. 1401.