κᾰθαρ-ειότης · kathar-eiotēs — LSJ
cleanliness, neatness, purity, purity
cleanliness, neatness, Hdt. 2.37, X. Mem. 2.1.22; purity, διαφέρει ἡ ὄψις ἁφῆς καθαρειότητι Arist. EN 1176a1, cf. 1177a26; τοῦ ἀέρος Thphr. Sens. 48; purity of language, Plu. Lyc. 21, S.E. M. 1.176.
2 scrupulousness, moral integrity
scrupulousness, moral integrity, IG 4.1 (Aegina, ii B.C.), OGI 339.14 (Sestos, ii B.C.).
3 elegance, refinement, simplicity, frugality, economy of movement
elegance, refinement, τῇ κ. Κυπρίους . . [ὑπερέβαλε] Duris 10J.; opp. περιεργία, Plu. QConv. 2.693b, cf. Coniug. 142a, Crass. 3; opp. λιτότης, Hierocl. in CA 17p.457M.; also, simplicity, frugality, τῆς διαίτης Plu. QConv. 2.644c; economy of movement in a surgeonʼs hand, ib. Adul. 67e.