ῥευστός

English (LSJ)

ή, όν,

   A in a state of flux, flowing, ἔργα Emp.121.3; ἡ ὕλη Arist.Fr.207, S.E.P.1.217, Porph.Antr.5; of time flowing away, Ath.Mech.3.10.    2 metaph., fluctuating, unsettled, οὐσία Plu.2.268d; ὀλισθηρὰν καὶ ῥ. εἰς ἅπαντα τὴν πολυπραγμοσύνην ποιοῦντες ib.522a.