σφέτερα

From LSJ

εἰργάζοντο λογάδην φέροντες λίθους καὶ ξυνετίθεσαν ὡς ἕκαστόν τι ξυμβαίνοι → they went to work bringing the stones as they picked them out and put them together as each one happened to fit

Source

Russian (Dvoretsky)

σφέτερα: τά
1 их достояние Hom., Xen.;
2 их интересы Thuc., Xen.