πικρὸν με ἀπαιτεῖς ἐνοίκιον → you ask too much of me, you demand a bitter rent from me
concavatus concavata, concavatum ADJ :: hollowed out
concăvātus, a, um,1 part. de concavo2 adjt, concave : Col. Rust. 8, 5, 11.