οἰκειότης,
Ionic dialect οἰκηϊότης, ητος, ἡ, a being οἰκεῖος (signf. II), kindred, relationship, [[ 5th c.BC: Herodotus Historicus 6.54, 5th c.BC: Thucydides Historicus 3.86, etc. ] Refs 5th c.BC+]; intimacy, friendship, φιλία καὶ οἰ. [[ [prev. author] 4.19, compare 5th-6th c.BC: Plato Philosophus “Symposium” 197d: _plural_, 5th-6th c.BC: Andocides Orator 1.118, 4th c.BC: Demosthenes Orator 18.35, “SIG” 557.35 (3rd c.BC). ] Refs 5th c.BC+]
__b metaphorically, connexion of things, [[ 5th-6th c.BC: Plato Philosophus “Respublica” 537c, 2nd c.AD: Marcus Antoninus Imperator 4.4, etc. ] Refs 5th c.BC+]
__2 living together as man and wife, domesticity, marriage, τῆς Ἑλένης [[ 5th-6th c.BC: Isocrates Orator 10.42, compare 5th c.BC: Lysias Orator 1.6; εἰς οἰκειότητα καὶ παιδοποιίαν ὁρᾷ 6th c.AD: Choricius Rhetor in “Hermes” 17.215. ] Refs 5th c.BC+]
__II of words and phrases, proper sense, opposed to μεταφορά, [[ 1st-2nd c.AD: Plutarchus Biographus et Philosophus “Cicero” 40, in _plural_ ] Refs 1st c.AD+]
__III conformity to nature or environment, [[ 4th-3rd c.BC: Epicurus Philosophus “Sententiae” 40, “Frr.” 197,217. ] Refs 4th c.BC+]