Lexical Definition

‎οὐσία‎ ousía (oo-see'-ah) estate ^G:N-F
from the feminine of ‎ὤν‎

goods, substance.

• substance, i.e. property (possessions)

Abbott-Smith

** οὐσία, -ας, ἡ (< οὖσα, fem. part. of εἰμί), [in LXX: To 14:13, III Mac 3:28*;]
substance, property: Lk 15:12, 13.†

Abbott-Smith References

Liddell-Scott-Jones

οὐσία-α,

Ionic dialect -ιη[Refs 5th c.BC+]; Doric dialect ἐσσία, ὠσία (which see): ἡ: (ὀντ-, participle of εἰμί sum):—that which is one's own, one's substance, property, [Refs 5th c.BC+][same place], etc.; opposed to τὰ σώματα (civil status), [Refs 5th c.BC+]; εἰ ἐκεκτήμην οὐ. if I had been a man of substance, [Refs 5th c.BC+]; φανερὰ οὐσίαα real property, immovables, [Refs 5th c.BC+]; opposed to ἀφανής, [Refs 5th c.BC+]; frequently of estates in Egypt, [Refs 2nd c.BC+]

__II in Philos., like Ionic dialect φύσις (with which it is interchanged in various uses, e. g. [Refs 5th c.BC+], stable being, immutable reality, opposed to γένεσις, ὅτιπερ πρὸς γένεσιν οὐσίαα, τοῦτο πρὸς πίστιν ἀλήθεια [Refs 5th c.BC+]; ὁδὸς εἰς οὐσίααν [Refs]: hence, being in the abstract, opposed to non-being (τὸ μὴ εἶναι), [Refs 5th c.BC+]
__II.2 substance, essence, opposed to πάθη ('modes'), [οὐσίαας 4th c.BC: Aristoteles Philosophus “Metaphysica” 1003b7 ">Refs 4th c.BC+]; opposed to συμβεβηκότα ('accidents'), [Refs]
__II.3 true nature of that which is a member of a kind, defined as ὃ τυγχάνει ἕκαστον ὄν [Refs 5th c.BC+]; as τὸ ὅ ἐστι[Refs 4th c.BC+]; τὸ εἶναί τε καὶ τὴν οὐ. [Refs 5th c.BC+]; expressed in a formula or definition, ψυχῆς οὐ. τε καὶ λόγον [Refs 4th c.BC+]
__II.4 the possession of such a nature, substantiality, ἔτι ἐπέκεινα τῆς οὐ. πρεσβείᾳ.. ὑπερέχοντος [Refs 5th c.BC+]
__II.5 in the concrete, the primary real, the substratum underlying all change and process in nature, applied by [Refs 4th c.BC+] to the atoms of Democritus, [οὐσίααν ὁριζόμενοι 5th-6th c.BC: Plato Philosophus “Sophista” 246a; but also, νοητὰ ἄττα καὶ ἀσώματα εἴδη.. τὴν ἀληθινὴν οὐ. [prev. work]b. ">Refs 5th c.BC+]
__II.6 in Logic, substance as the leading category, [Refs 4th c.BC+]; αἱ πρῶται οὐ. (individuals), αἱ δεύτεραι οὐ. (species and genera), [Refs]; ἡ οὐ. ἐντελέχεια[Refs]; of the abstract objects of mathematics, μονὰς οὐ. ἄθετος, στιγμὴ δὲ οὐ. θετός [Refs]
__II.7 after [Refs 5th c.BC+]; κατὰ οὐσίααν, opposed to κατὰ δύναμιν ἢ ἐνέργειαν, Polystr.p.12 W.; πᾶς νοῦς ἀμέριστός ἐστιν οὐ. [Refs 3rd c.AD+]
__II.8 [Refs 4th c.BC+]
__III name of a plaster, [Refs 6th c.AD+]
__IV αἱ οὐ. fireresisting substances, Zos.Alch.p.168 [Refs 5th c.BC+]; of the four σώματα (copper, tin, lead, iron), [Refs 5th c.BC+]
__V in Magic, a material thing by which a connexion is established between the person to be acted upon and the supernatural agent, e.g. a hair, λαβὼν βελόνην διείρων τὴν οὐ. εἰς αὐτήν [Refs]