ἀδιάρρευστος
From LSJ
περὶ οὐδὲν γὰρ οὕτως ὑπάρχει τῶν ἀνθρωπίνων ἔργων βεβαιότης ὡς περὶ τὰς ἐνεργείας τὰς κατ' ἀρετήν → since none of man's functions possess the quality of permanence so fully as the activities in conformity with virtue
English (LSJ)
ον, A non-deliquescent, φάρμακον Gal.12.840.
Spanish (DGE)
-ον insoluble φάρμακον Gal.12.840.