οἰκουμέν-η · oikoumen-ē — LSJ
inhabited region, v. οἰκέω A. I ; then the Greek world, opp. barbarian lands, D. 7.35 ; πᾶσα ἡ οἰ. Id. 18.48 ; in Arist. Mete. 362b26, ἡ οἰ., = the inhabited world (including non-Greek lands, as Ethiopia, India, Scythia), as opp. possibly uninhabited regions, cf. Cleom. 2.1 ; in Arist. Mu. 392b26, ἥδε ἡ οἰ., = our world (= Asia, Libya, Europe); οἰκουμέναι worlds, ib. 31 ; ἡ φιλία περιχορεύει τὴν οἰ. Epicur. Sent.Vat. 52 ; σοῦ (i.e. Ptolemy II or III) τῆς οἰ. πάσης βασιλεύοντος PSI 5.541.7, cf. L
the Roman world, ὁ ἀγαθὸς δαίμων (etc.) τῆς οἰ., i.e. the Emperor, OGI 666.4,668.5, POxy. 1021.5 (i A.D.), CIG 2581-2,4416, Ev.Luc. 2.1, Act.Ap. 17.6, 24.5, Sammelb. 176.2 (ii A.D.), Gal. 10.7, Luc. Macr. 7.
ἡ οἰ. ἡ μέλλουσα the world to come, i.e. the kingdom of Christ, Ep.Hebr. 2.5.