Etymograph

English

pro

Pro (advantage) comes from late Middle English pro, from Latin prō ‘on behalf of’, from Proto-Italic *prō.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*pró‘toward’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*próh₁reconstructed
  3. Proto-Italicc. 1500–700 BCE*prōreconstructed
  4. Latinc. 75 BCE–200 CEprō‘on behalf of’
  5. Middle Englishc. 1150–1500pro‘advantage’
  6. Englishtodaypro

attested reconstructed ? uncertain or disputed deepest recorded ancestor

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*pró‘toward’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*próh₁reconstructed
  3. Proto-Italicc. 1500–700 BCE*prōreconstructed
  4. Latinc. 75 BCE–200 CEprō‘on behalf of’
  5. Middle Englishc. 1150–1500pro‘advantage’
  6. Englishtodaypro

Linked words

through Proto-Indo-European *pró ‘toward’

prior, proton, prolactin, 10 more

through Latin prō ‘on behalf of’

prominent, prone, 5 more

Today it means

noun An advantage of something, especially when contrasted with its disadvantages (cons).

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

Etymograph / Proto-Indo-European *pró / pro