Etymograph

English

nonambiguous

Nonambiguous comes from Latin agō ‘to act, to behave’, from Proto-Italic *agō ‘to drive’, and ultimately from Proto-Indo-European *h₂eǵ-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₂eǵ-reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*h₂éǵeti‘to be driving’reconstructed
  3. Proto-Italicc. 1500–700 BCE*agō‘to drive’reconstructed
  4. Latinc. 75 BCE–200 CEagō‘to act, to behave’
  5. Latin, derivedc. 75 BCE–200 CEambig(ō)
  6. Latin, derivedc. 75 BCE–200 CEambiguu
  7. English1500–presentambiguous
  8. Englishtodaynonambiguous

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₂eǵ-reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*h₂éǵeti‘to be driving’reconstructed
  3. Proto-Italicc. 1500–700 BCE*agō‘to drive’reconstructed
  4. Latinc. 75 BCE–200 CEagō‘to act, to behave’
  5. Latin, derivedc. 75 BCE–200 CEambig(ō)
  6. Latin, derivedc. 75 BCE–200 CEambiguu
  7. English1500–presentambiguous
  8. Englishtodaynonambiguous

A compound of non- + ambiguous

Proto-Indo-European *h₁óynos ‘one’

…

Proto-Germanic *nainaz ‘none, nought, zero’

Proto-West Germanic *nain

Old English nān ‘no, not any’

Middle English non ‘no, not any’

English non-

Proto-Indo-European *h₂eǵ-

…

Proto-Italic *agō ‘to drive’

Latin agō ‘to act, to behave’

Latin ambig(ō)

Latin ambiguus ‘moving from side to side, of doubtful nature’

English ambiguous

Linked words

through Proto-Indo-European *h₂eǵ-

suggest, register, essay, acre, gesture, digest, congestion, agrarian, belligerent, progesterone, gestation, ingestion, ingest, agitate, axiomatic, agger, samaj, gerund, gestion, 128 more

through Proto-Indo-European *h₂éǵeti ‘to be driving’

strategy, agony, antagonist, axiom, reactionary, antagonism, agonist, antagonize, stratagem, glucagon, agonize, 102 more

through Proto-Italic *agō ‘to drive’

reaction, actively, transaction, radioactive, inactive, retroactive, reagent, hyperactivity, 80 more

through Latin agō ‘to act, to behave’

act, action, active, agency, activity, actual, agent, actor, agenda, examine, examination, activate, squat, agile, agility, assay, enact, agitation, radium, actuator, cogent, actuation, inexact, actuate, exigent, redact, 95 more

through Latin ambig(ō)

ambiguity, 12 more

through English ambiguous

unambiguous, ambiguously, 2 more

Today it means

adj Not ambiguous.

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

Etymograph / Proto-Indo-European *h₂eǵ- / nonambiguous