Etymograph

English

exercise

Exercise comes from Old French exercise, from Latin exercitium ‘exercise, practice’, from exerceō ‘to keep busy, work at’.

  1. Latinc. 75 BCE–200 CEexerceō1‘to keep busy, keep at work; to practise’
  2. Latinc. 75 BCE–200 CEexercitium1‘exercise, practice’
  3. Old Frenchc. 842–1400exercise1
  4. Middle Englishc. 1150–1500exercise1
  5. Englishearliest quotation 1590exercise1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English exercise
  2. Earliest quotation in Wiktionary’s entry: 1590, Edmund Spenser, Book II, Canto VI: “Where noyse of armes, or vew of martiall guize…”.

Lineage

  1. Latinc. 75 BCE–200 CEexerceōWiktionary, English exercise‘to keep busy, keep at work; to practise’
  2. Latinc. 75 BCE–200 CEexercitiumWiktionary, English exercise‘exercise, practice’
  3. Old Frenchc. 842–1400exerciseWiktionary, English exercise
  4. Middle Englishc. 1150–1500exerciseWiktionary, English exercise
  5. Englishearliest quotation 1590exerciseWiktionary, English exercise. Earliest quotation in Wiktionary’s entry: 1590, Edmund Spenser, Book II, Canto VI: “Where noyse of armes, or vew of martiall guize…”

A compound of ex ‘out of, from’ + exerceō ‘to keep busy, keep at work, drive on’

Proto-Indo-European *h₁éǵʰ

Proto-Indo-European *h₁éǵʰs ‘out’

Proto-Italic *eks

Latin ex ‘out of, from’

Proto-Indo-European *h₂erk- ‘to protect, guard, hold, lock’

Proto-Indo-European *h₂orkéyeti

Proto-Italic *arkeō ‘to contain’

Latin arceō ‘to keep off, keep away, ward off, reject, repel’

Latin exerceō ‘to keep busy, keep at work, drive on’

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Today it means

noun Any activity designed to develop or hone a skill or ability.

Sources

Sources: Wiktionary, “exercise”. 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 exerceō / exercise