tillage
From LSJ
ἀλλὰ τί ἦ μοι ταῦτα περὶ δρῦν ἢ περὶ πέτρην → why all this about trees and rocks, why all these things we have nothing to do with
Ar. and P. ἐργασία, ἡ, P. γεωργία, ἡ.
land for tillage: P. γῆ ἐργάσιμος, Ar. and V. ἄρουρα, ἡ (also Plato but rare P.).