μέρμερα

From LSJ

λέγεις, ἃ δὲ λέγεις ἕνεκα τοῦ λαβεῖν λέγεις → you speak, but you say what you say for the sake of gain (Menander, fr. 776)

Source

Russian (Dvoretsky)

μέρμερα: τά (sc. ἔργα) трудные дела, великие подвиги Hom.