Etymograph

English

definitude

Definitude comes from Renaissance Latin finitūdō ‘signifying a noun of state’, from Latin fīnis ‘end, limit’, and perhaps ultimately from Proto-Indo-European *dʰeygʷ- ‘to stick, set up’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dʰeygʷ-1‘to stick, set up’uncertain
  2. Latinc. 75 BCE–200 CE*fignis1uncertain
  3. Latinc. 75 BCE–200 CEfīnis2‘end, limit’
  4. Renaissance Latinc. 1300–1500finitūdō2‘signifying a noun of state’
  5. Englishearliest quotation a. 1857definitude2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin finis
  2. 2 Wiktionary, English definitude
  3. Earliest quotation in Wiktionary’s entry: a. 1857, William Hamilton, Lectures on Metaphysics and Logic […]: “Definitude […] is a knowledge of minute differences.”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dʰeygʷ-Wiktionary, Latin finis‘to stick, set up’uncertain
  2. Latinc. 75 BCE–200 CE*fignisWiktionary, Latin finisuncertain
  3. Latinc. 75 BCE–200 CEfīnisWiktionary, English definitude‘end, limit’
  4. Renaissance Latinc. 1300–1500finitūdōWiktionary, English definitude‘signifying a noun of state’
  5. Englishearliest quotation a. 1857definitudeWiktionary, English definitude. Earliest quotation in Wiktionary’s entry: a. 1857, William Hamilton, Lectures on Metaphysics and Logic […]: “Definitude […] is a knowledge of minute differences.”

Linked words

through Proto-Indo-European *dʰeygʷ- ‘to stick, set up’

fix, dig, ditch, dyke, dike, crucify, 19 more

through Latin *fignis

finale, finesse, confine, infinitesimal, 10 more

through Latin fīnis ‘end, limit’

final, fine, finish, infinite, fin, infinity, finite, financier, infinitive, fino, finis, finial, 16 more

Today it means

noun definiteness

Sources

Sources: Wiktionary, “definitude”; the older steps come from the Wiktionary entry for Latin finis. 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-Indo-European *dʰeygʷ- / definitude

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