πικρὸν με ἀπαιτεῖς ἐνοίκιον → you ask too much of me, you demand a bitter rent from me
subs.
Thorn: P. and V. θάμνος, ὁ, Ar. and V. ἄκανθα, ἡ (Soph., Frag.), παλίουρος, ὁ (Eur., Cycl. 394).