ἐλέμπορος

From LSJ

ἢ δεῖ σιωπᾶν ἢ λέγειν τὰ καίρια → you should either keep silence or make timely remarks (Menander)

Source

Spanish (DGE)

-ου, ὁ mercader, comerciante de aceite, ISmyrna 245.2 (II/III d.C.).