καλχαίνω
From LSJ
Τὸ μανθάνειν δ' ἥδιστον εὖ λέγοντος, εἰ κέρδος λέγοι → It is the sweetest thing to learn from one speaking well, if they speak profitably
English (LSJ)
(κάλχη) prop.
A make purple:—Pass., to be purple, Nic. Th.641. II metaph. (cf. πορφύρω), make dark and troublous like a stormy sea, ponder deeply, κ. ἔπος S.Ant.20; ἀμφὶ τέκνοις E.Heracl. 40: c. inf., long, desire, Lyc.1457; cf. sq.
