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unity

/ˈjuːnɪti/ noun

In Latin: ūnitās Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about unity at Wordnik → Where our words come from →

  1. An undivided or unbroken completeness or totality with nothing wanting.
    the integrity of the nervous system is required for normal development
  2. The smallest whole number or a numeral representing this number.
    he has the one but will need a two and three to go with it
  3. The quality of being united into one.

Origin

From Middle English unite, from Anglo-Norman, Old French unité, from Latin ūnitās, from ūnus (“one”) + noun of state suffix -itās, ultimately from Proto-Indo-European *óynos (“one, single”), hence distantly related to one and an. By surface analysis, unite + -y. Displaced native Old English ānnes (literally “oneness”).

From Wiktionary, via Kaikki.org (CC BY-SA)