συνευνέτης
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
English (LSJ)
ου, ὁ,
A bed-fellow, consort, E.Med.240, Hipp.416 (pl.), etc.; Dor. ξυνευνέτας Supp.Epigr.7.69 (near Antioch on Orontes, i A.D.): fem. συνευν-έτις, ιδος, ἡ, wife or concubine, E.Andr.908, APl.4.182.8 (Leon.).
Greek (Liddell-Scott)
συνευνέτης: -ου, ὁ, σύνευνος, ὁμόλεκτρος, σύζυγος, σύμβιος, Εὐρ. Μήδ. 240, Ἱππ. 416, κτλ.· ― συνευνέτις, ιδος, ἡ, θηλ., ἡ σύζυγος, ἢ παλλακή, ὁ αὐτ. ἐν Ἀνδρ. 908.