Etymograph

English

nonic

Nonic comes from Latin nōnus ‘ninth’, and goes back to Proto-Indo-European *h₁néwn̥ ‘nine’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₁néwn̥1‘nine’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*h₁newn̥(n)ós1reconstructed
  3. Proto-Italicc. 1500–700 BCE*nowenos1‘ninth’reconstructed
  4. Latinc. 75 BCE–200 CEnōnus2‘ninth’
  5. Englishtodaynonic2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin nonus
  2. 2 Wiktionary, English nonic

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₁néwn̥Wiktionary, Latin nonus‘nine’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*h₁newn̥(n)ósWiktionary, Latin nonusreconstructed
  3. Proto-Italicc. 1500–700 BCE*nowenosWiktionary, Latin nonus‘ninth’reconstructed
  4. Latinc. 75 BCE–200 CEnōnusWiktionary, English nonic‘ninth’
  5. EnglishtodaynonicWiktionary, English nonic

Linked words

through Proto-Indo-European *h₁néwn̥ ‘nine’

nine, ninth, 10 more

through Latin nōnus ‘ninth’

noon, 7 more

Today it means

adj Describing a polynomial that has 9 as the highest exponent of its terms.

Sources

Sources: Wiktionary, “nonic”; the older steps come from the Wiktionary entry for Latin nonus. 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 *h₁néwn̥ / nonic