ἀρετὴ γῆς

From LSJ

ῥᾴδιον φθείρειν φαρμακεύσεσιν ἢ ἀποτροπαῖς ἢ καὶ κλοπαῖς → easy to spoil by means of sorcery or diverting or theft

Source

Greek > English (Woodhouse)

excellence of soil, the excellence of the soil