Etymograph

English

busy

Busy comes from Middle English bisy ‘engaged in activity’, from Old English bisiġ ‘busy, occupied, diligent’, and ultimately from Proto-West Germanic *bisīg.

  1. Proto-West Germanicc. 200–500 CE*bisīg1‘diligent’reconstructed
  2. Old Englishc. 450–1150bisiġ1‘busy’
  3. Middle Englishc. 1150–1500bisy1‘engaged in activity’
  4. Englishearliest quotation c. 1593busy1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English busy
  2. Earliest quotation in Wiktionary’s entry: c. 1593, William Shakespeare, The Tragedy of Richard the Third: […]: “To-morrow is a busy day.”.

Lineage

  1. Proto-West Germanicc. 200–500 CE*bisīgWiktionary, English busy‘diligent’reconstructed
  2. Old Englishc. 450–1150bisiġWiktionary, English busy‘busy’
  3. Middle Englishc. 1150–1500bisyWiktionary, English busy‘engaged in activity’
  4. Englishearliest quotation c. 1593busyWiktionary, English busy. Earliest quotation in Wiktionary’s entry: c. 1593, William Shakespeare, The Tragedy of Richard the Third: […]: “To-morrow is a busy day.”

The story

The spelling with ⟨u⟩ represents the pronunciation of the West Midland and Southern dialects while the Modern English pronunciation with /ɪ/ is from the dialects of the East Midlands.

Full etymology on Wiktionary

Linked words

through Proto-Indo-European *bʰeyh₂- ‘to fear, be afraid’

bone, bain, 7 more

through Old English bisiġ ‘busy, occupied, diligent’

business, biz

Another origin of busy

  1. Proto-Indo-Europeanc. 4500–2500 BCE*bʰeyh₂-‘to fear, be afraid’uncertain
  2. Proto-West Germanicc. 200–500 CE*bisōn‘to rush around, whirr’uncertain
  3. Proto-West Germanicc. 200–500 CE*bisīg‘zealous, diligent, busy, eident’reconstructed
  4. Proto-West Germanicc. 200–500 CE*bisīgōn‘to use, employ’reconstructed
  5. Old Englishc. 450–1150bisgian‘to occupy, employ, trouble, afflict’
  6. Middle Englishc. 1150–1500bisien
  7. Englishtodaybusy

Today it means

adj Crowded with business or activities; having a great deal going on.

Sources

Sources: Wiktionary, “busy”. 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 / Proto-West Germanic *bisīg / busy

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