ῥευστός
From LSJ
ἀσκεῖν περὶ τὰ νοσήματα δύο, ὠφελεῖν ἢ μὴ βλάπτειν → strive, with regard to diseases, for two things — to do good, or to do no harm | as to diseases, make a habit of two things — to help, or at least, to do no harm
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.
