Etymograph

English

know

Know comes from Middle English knowen ‘to know’, and goes back to Proto-Germanic *knēaną.

  1. Proto-Germanicc. 500 BCE–200 CE*knēaną‘to know’reconstructed
  2. Proto-West Germanicc. 200–500 CE*knāan‘to recognise’reconstructed
  3. Old Englishc. 450–1150cnāwan‘to know’
  4. Middle Englishc. 1150–1500knowen‘to know’
  5. Englishearliest quotation 1526know

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Germanicc. 500 BCE–200 CE*knēaną‘to know’reconstructed
  2. Proto-West Germanicc. 200–500 CE*knāan‘to recognise’reconstructed
  3. Old Englishc. 450–1150cnāwan‘to know’
  4. Middle Englishc. 1150–1500knowen‘to know’
  5. Englishearliest quotation 1526know

Earliest quotation: 1526, [William Tyndale, The Newe Testamẽt […] (Tyndale Bible): “Ye ſhall knowe them by their frutes.”

Linked words

through Proto-Indo-European *ǵneh₃- ‘to know’

can, could, normal, note, notice, recognize, recognition, narrative, glory, con, ken, ignore, keen, cognitive, noble, notion, ignorant, diagnostic, notorious, norm, cunning, cognition, narration, quaint, notation, nobility, prognosis, incognito, notoriety, canny, gnome, notary, agnostic, connoisseur, uncouth, canna, kith, recognizance, cognizance, annotate, 91 more

Today it means

verb To perceive the truth or factuality of; to be certain of; to be certain that.

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

Etymograph / Proto-Germanic *knēaną / know