Etymograph

English

parity

Parity comes from Late Latin paritās ‘parity, equality’, and goes back to Latin pār.

  1. Latinc. 75 BCE–200 CEpār1‘equal’
  2. Late Latinc. 200–600 CEparitās1‘parity, equality’
  3. Middle Frenchc. 1400–1600parité1
  4. Englishearliest quotation 2000parity1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English parity
  2. Earliest quotation in Wiktionary’s entry: 2000, Microsoft Windows Server 2003 Delta Guid, Pearson Education: “Altogether, Microsoft claims a 99% feature parity between 32-bit…”.

Earlier history uncertain. See Wiktionary.

Lineage

  1. Latinc. 75 BCE–200 CEpārWiktionary, English parity‘equal’
  2. Late Latinc. 200–600 CEparitāsWiktionary, English parity‘parity, equality’
  3. Middle Frenchc. 1400–1600paritéWiktionary, English parity
  4. Englishearliest quotation 2000parityWiktionary, English parity. Earliest quotation in Wiktionary’s entry: 2000, Microsoft Windows Server 2003 Delta Guid, Pearson Education: “Altogether, Microsoft claims a 99% feature parity between 32-bit…”

Formed from pari- + -ty

Latin par ‘equal’

English pari-

Linked words

through Proto-Indo-European *perh₂- ‘to exchange, sell’

pornography, peerless, 7 more

through Latin pār ‘equal’

pair, peer, compare, par, umpire, 6 more

Another origin of parity

  1. Proto-Indo-Europeanc. 4500–2500 BCE*perh₃-‘to produce, beget’reconstructed
  2. Proto-Italicc. 1500–700 BCE*parjō‘to bear, give birth’reconstructed
  3. Latinc. 75 BCE–200 CEpariō‘give birth’
  4. Latinc. 75 BCE–200 CEparitas‘parity, equality’
  5. Englishtodayparity

Today it means

noun Equality; comparability of strength or intensity.

Sources

Sources: Wiktionary, “parity”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / Latin pār / parity