I.in or of the house, domestic, Hes., etc.; τὰ οἰκεῖα household affairs, property, Lat. res familiaris, Hdt., Thuc., etc.
II.of persons, of the same family or kin, related, Lat. cognatus, Hdt., attic; οἱ ἑωυτοῦ οἰκηιότατοι his own nearest kinsmen, Hdt.; κατὰ τὸ οἰκεῖον Ἀτρεῖ because of his relationship to Atreus, Thuc.
2.friendly, Dem.
III.of things, belonging to one's house or family, one's own, Aesch., etc.; ἡ οἰκεία (sc. γῆ), ionic ἡ οἰκηίη, Hdt.; τὰ οἰκήια one's own property, id=Hdt.; οἰκεῖοι πόλεμοι wars in one's own country, Thuc.; of corn, home-grown, id=Thuc.
2.personal, private, opp. to δημόσιος, κοινός, Theogn., Hdt., attic; μηδὲν οἰκειοτέρᾳ τῇ ἀπολαύσει with enjoyment not more our own, Thuc.; οἰκεία ξύνεσις mother wit, id=Thuc.
IV.proper to a thing, fitting, suitable, becoming, Hdt., Dem.
2.c. dat. rei, belonging to, conformable to the nature of a thing, Plat.
B.the adv. οἰκείως has the same senses as the adj., familiarly, Thuc., Xen.
II.affectionately, dutifully, id=Xen.