λεύκ-ωμα · leuk-ōma — LSJ
tablet covered with gypsum, used as a public notice-board, ἐς λ. γράψαι, ἀναγράφειν, Lys. 9.6, Lex ap. D. 24.23, IG 12(5).647.40 (Ceos), PHib. 1.29.9 (iii B.C.), etc.: hence ἐν λευκώμασιν γραφῆναι to be posted in a list of defaulters, ‘to be sold up’, App.Prov. 2.63; of the proscription-list, D.C. 47.3; of the album of senators, Id. 55.3: hence οἱ τοῦ λ. senators, Procop. Arc. 29.
whiteness, Arist. Phgn. 813a28.
a white spot in the eye, caused by a thickening of the cornea, PGrenf. 1.33.14 (ii B.C.), Dsc. 3.84, Gal. 14.775, Sammelb. 4414.6 (ii A.D.), Aët. 7.39 tit.