ἀκαλός
From LSJ
Μὴ σπεῦδ', ἃ μὴ δεῖ, μηδ', ἃ δεῖ, σπεύδειν μένε → Ne agas celeria tarde, aut tarda celeriter → Unnötiges tu nicht, was nötig ist, tu gleich
English (LSJ)
ή, όν, (ἀκᾶ, ἀκήν)
A peaceful, still, ἀκαλὰ προρέων, of a river, Hes.Fr.218; ἄκαλα κλόνει Sapph.Supp.19, cf. Hsch . . Eust.1009.30, EM44.29. Adv. -λῶς Eust. 1871.54. ἀκάλως, Adv., (καλός) unwell, ἐὰν οὐκ ἀ. ἔχῃς, χαίρω POxy.1676.22 (iii A.D.).