κάλχη
From LSJ
γέλως τὰ σεμνὰ τοῦ βίου τοῖς σώφροσιν → pompous things in life make men of sound mind laugh (Menander)
English (LSJ)
ἡ, (perh. a loan-word)
A murex, purple limpet, = πορφύρα, Nic.Al.393. 2 purple dye, Str.11.14.9. II rosette on the capitals of columns, IG12.372.90, 4.1484.83 (Epid., iv B.C.), 11(2).161A73 (Delos, iii B.C.), Hsch.:—written Χάλκη IG12.374.317, al., Χάλχη ib.374.103. III purple flower, Chrysanthemum coronarium, Alcm.39, Nic.Dam.76J.:—written Χάλκη in Nic.Fr.74.60, cf. Ps.-Dsc.4.58.