ἄχθη

From LSJ

ἐγὼ δ' ἀνάγκῃ προύμαθον στέργειν κακά → I have been slowly schooled by necessity to endure misery

Source

Spanish (DGE)

ἀκαθαρσία. ἀφρὸς θαλάσσης (pero cf. ἄχνη), Hsch.