ἥλιον ἐν λέσχῃ κατεδύσαμεν → we let the sun go down in talk, we let the sun go down in conversation
ἀνάγω, ἀοράτως, ἀπερινοήτως, ἀνεπιγνώστως, λεληθότως, λάθρᾳ, λάθρῃ, λάθρα, λάθρη, ἀδήλως