Etymograph

English

adequate

Adequate comes from Latin adaequātus ‘equal’, and goes back to adaequō.

  1. Latinc. 75 BCE–200 CEadaequō‘to make equal to’
  2. Latin, derivedc. 75 BCE–200 CEadaequātus‘equal’perfect passive participle of adaequō
  3. Englishearliest quotation 1622adequate

attested reconstructed ? uncertain or disputed deepest recorded ancestor

Lineage

  1. Latinc. 75 BCE–200 CEadaequō‘to make equal to’
  2. Latin, derivedc. 75 BCE–200 CEadaequātus‘equal’perfect passive participle of adaequō
  3. Englishearliest quotation 1622adequate

Earliest quotation: 1622, Martin Fotherby, Atheomastix; clearing foure truthes: “Let me giue yet one instance more, of a…”.

A compound of ad- + aequus ‘equal’ + aequō ‘to equalize, make equal to something else,…’ + adaequō ‘to make equal to, equalize, level with’

Proto-Italic *aikʷos

Old Latin aiquos

Latin aequus ‘equal’

Proto-Italic *aikʷos

Old Latin aiquos

Latin aequus ‘equal’

Latin aequō ‘to equalize, make equal to something else, equate’

Proto-Italic *aikʷos

Old Latin aiquos

Latin aequus ‘equal’

Latin aequō ‘to equalize, make equal to something else, equate’

Latin adaequō ‘to make equal to, equalize, level with’

Today it means

adj Equal to or fulfilling some requirement.

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

Etymograph / Latin adaequō / adequate