Etymograph

English

proportion

Proportion comes from Latin prōportiō ‘comparative relation, proportion, symmetry,…’.

  1. Latinc. 75 BCE–200 CEprōportiō‘comparative relation, proportion, symmetry, analogy’
  2. Old Frenchc. 842–1400proportion
  3. Middle Englishc. 1150–1500proporcion
  4. Englishearliest quotation 1563proportion

attested reconstructed ? uncertain or disputed deepest recorded ancestor

Lineage

  1. Latinc. 75 BCE–200 CEprōportiō‘comparative relation, proportion, symmetry, analogy’
  2. Old Frenchc. 842–1400proportion
  3. Middle Englishc. 1150–1500proporcion
  4. Englishearliest quotation 1563proportion

Earliest quotation: 1563, John Foxe: “The image of Christ made in Pilate's time after…”

A compound of pro ‘for, before’ + portio ‘share, part’

Proto-Indo-European *pró ‘toward’

Proto-Italic *prō ‘for’

Latin pro ‘for, before’

Today it means

noun A quantity of something that is part of the whole amount or number.

Language periods are conventional ranges, not dates for this word.

Etymograph / Latin prōportiō / proportion