Etymograph

English

innocuity

Innocuity comes from Latin innocuus ‘harmless, innocuous’, from nocuus ‘harmful’, and ultimately from Proto-Indo-European *neḱ- ‘to perish, disappear’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*neḱ-‘to perish, disappear’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*noḱéyeti‘to make disappear, to cause death’reconstructed
  3. Proto-Italicc. 1500–700 BCE*nokeō‘to harm, hurt, injure’reconstructed
  4. Latinc. 75 BCE–200 CEnoceō‘to harm, damage’
  5. Latin, derivedc. 75 BCE–200 CEnocuus‘harmful’
  6. Latin, derivedc. 75 BCE–200 CEinnocuus‘harmless, innocuous’
  7. Englishtodayinnocuity

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*neḱ-‘to perish, disappear’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*noḱéyeti‘to make disappear, to cause death’reconstructed
  3. Proto-Italicc. 1500–700 BCE*nokeō‘to harm, hurt, injure’reconstructed
  4. Latinc. 75 BCE–200 CEnoceō‘to harm, damage’
  5. Latin, derivedc. 75 BCE–200 CEnocuus‘harmful’
  6. Latin, derivedc. 75 BCE–200 CEinnocuus‘harmless, innocuous’
  7. Englishtodayinnocuity

Formed from innocuus + -ity

Linked words

through Proto-Indo-European *neḱ- ‘to perish, disappear’

nectar, obnoxious, necropolis, internecine, 19 more

through Latin noceō ‘to harm, damage’

nuisance, innocence, noxious, 14 more

Today it means

noun innocuousness

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

Etymograph / Proto-Indo-European *neḱ- / innocuity