Meaning

2 senses
  1. (uncountable)The essential nature or ‘substance’ of God, often as contrasted to the ‘energies’ (external actions and influences) through which he is manifest.

  2. (uncountable)Essence, being.

Origin

Borrowed from Ancient Greek οὐσία (ousía), from οὖσα (oûsa), the feminine present particip

Borrowed from Ancient Greek οὐσία (ousía), from οὖσα (oûsa), the feminine present participle of εἰμί (eimí, “I am”).

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See also

neighbours in the dictionary
ousia — meaning, examples, forms, synonyms | Krumeto