Etymograph

English

ferocious

Ferocious comes from Latin ferōx ‘wild, bold, savage, fierce’, and goes back to Proto-Indo-European *ǵʰwer-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ǵʰwer-1‘wild’root named by Wiktionary
  2. Proto-Indo-Europeanc. 4500–2500 BCE*ǵʰweroh₃kʷs2‘having the appearance of a wild animal’reconstructed
  3. Proto-Italicc. 1500–700 BCE*ferōks2reconstructed
  4. Latinc. 75 BCE–200 CEferōx1‘wild, bold, savage, fierce’
  5. Englishearliest quotation 1976ferocious1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English ferocious
  2. 2 Wiktionary, Latin ferox
  3. Earliest quotation in Wiktionary’s entry: 1976, Saul Bellow, Humboldt’s Gift: “But it seemed to me that there were few…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ǵʰwer-Wiktionary, English ferocious‘wild’root named by Wiktionary
  2. Proto-Indo-Europeanc. 4500–2500 BCE*ǵʰweroh₃kʷsWiktionary, Latin ferox‘having the appearance of a wild animal’reconstructed
  3. Proto-Italicc. 1500–700 BCE*ferōksWiktionary, Latin feroxreconstructed
  4. Latinc. 75 BCE–200 CEferōxWiktionary, English ferocious‘wild, bold, savage, fierce’
  5. Englishearliest quotation 1976ferociousWiktionary, English ferocious. Earliest quotation in Wiktionary’s entry: 1976, Saul Bellow, Humboldt’s Gift: “But it seemed to me that there were few…”

Linked words

through Proto-Indo-European *ǵʰwer- ‘wild’

bear, treacle, 10 more

Today it means

adj Marked by extreme and violent energy.

Sources

Sources: Wiktionary, “ferocious”; the older steps come from the Wiktionary entry for Latin ferox. 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 *ǵʰwer- / ferocious

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