καλχαίνω
From LSJ
Σύμβουλος οὐδείς ἐστι βελτίων χρόνου → Consultor homini tempus utilissimus → Kein besserer Berater zeigt sich als die Zeit
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.