ens, entis, n. [sum],
a thing; formed, like essentia, after the Gr. οὐσία, by Flavius (or Fabianus), acc. to Quint. 8, 3, 33 Spald. N. cr. , but first used by Caesar, acc. to Prisc. 18, 8, 75: entia (= τὰ ὄντα), Quint. 2, 14, 2.
·noun Entity, being, or existence; an actually existing being; also, God, as the Being of Beings. I...
Webster's Dictionary of the English Language