Etymograph

English

innavigable

Innavigable comes from Latin innāvigābilis ‘not navigable’, from nāvigō ‘to sail’, and ultimately from Proto-Indo-European *(s)neh₂- ‘to swim’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*(s)neh₂-‘to swim’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*néh₂us‘boat’reconstructed
  3. Latinc. 75 BCE–200 CEnāvis‘ship’
  4. Latin, derivedc. 75 BCE–200 CEnāvigō‘to sail’
  5. Latin, derivedc. 75 BCE–200 CEnāvigābilis‘navigable’
  6. Latin, derivedc. 75 BCE–200 CEinnāvigābilis‘not navigable’
  7. Englishearliest quotation 1697innavigable

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*(s)neh₂-‘to swim’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*néh₂us‘boat’reconstructed
  3. Latinc. 75 BCE–200 CEnāvis‘ship’
  4. Latin, derivedc. 75 BCE–200 CEnāvigō‘to sail’
  5. Latin, derivedc. 75 BCE–200 CEnāvigābilis‘navigable’
  6. Latin, derivedc. 75 BCE–200 CEinnāvigābilis‘not navigable’
  7. Englishearliest quotation 1697innavigable

Earliest quotation: 1697, Virgil, The Sixth Book of the Æneis: “If you ſo hard a Toil will undertake, /…”

Equivalent to in- + navigable

Proto-Indo-European *h₁én ‘in’

Proto-Germanic *in ‘into’

English in-

Proto-Indo-European *(s)neh₂- ‘to swim’

…

Latin nāvis ‘ship’

Latin nāvigō ‘to sail’

Latin navigabilis

Middle French navigable

English navigable

Linked words

through Proto-Indo-European *(s)neh₂- ‘to swim’

nurse, insulin, nutrient, nausea, nurture, nutritious, nourish, insular, insula, 22 more

through Proto-Indo-European *néh₂us ‘boat’

noise, nautical, aeronautics, nautilus, nef, astronautics, 9 more

through Latin nāvis ‘ship’

naval, nao, nau, nacelle, navicular, 4 more

through Latin nāvigō ‘to sail’

navy, navigation, navigate, navigator, 1 more

Today it means

adj Incapable of being navigated; impassable by ships etc.

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

Etymograph / Proto-Indo-European *(s)neh₂- / innavigable