Etymograph

English

fierceness

Fierceness comes from Middle English fersnesse ‘ferociousness, fierceness’, and goes back to Proto-Indo-European *ǵʰweh₁r-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ǵʰweh₁r-1reconstructed
  2. Latinc. 75 BCE–200 CEferus2‘wild, savage, fierce, cruel’
  3. Old Frenchc. 842–1400fers2
  4. Middle Englishc. 1150–1500fers3‘fierce’
  5. Middle Englishc. 1150–1500fersnesse4‘ferociousness, fierceness’
  6. Englishearliest quotation 1749fierceness4

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin ferus
  2. 2 Wiktionary, Middle English fers
  3. 3 Wiktionary, Middle English fersnesse
  4. 4 Wiktionary, English fierceness
  5. Earliest quotation in Wiktionary’s entry: 1749, John Cleland, (Please specify the letter or volume): “I stroked it gently, on which the mutinous rogue…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ǵʰweh₁r-Wiktionary, Latin ferusreconstructed
  2. Latinc. 75 BCE–200 CEferusWiktionary, Middle English fers‘wild, savage, fierce, cruel’
  3. Old Frenchc. 842–1400fersWiktionary, Middle English fers
  4. Middle Englishc. 1150–1500fersWiktionary, Middle English fersnesse‘fierce’
  5. Middle Englishc. 1150–1500fersnesseWiktionary, English fierceness‘ferociousness, fierceness’
  6. Englishearliest quotation 1749fiercenessWiktionary, English fierceness. Earliest quotation in Wiktionary’s entry: 1749, John Cleland, (Please specify the letter or volume): “I stroked it gently, on which the mutinous rogue…”

Formed from fierce + -ness

Proto-Indo-European *ǵʰweh₁r-

Latin ferus ‘wild", "untamed’

Old French fers ‘wild", "ferocious’

Middle English fers ‘brave, bold’

English fierce

Linked words

through Latin ferus ‘wild, savage, fierce, cruel’

zebra, ferocity, 7 more

through Middle English fers ‘fierce’

fers, 2 more

Today it means

noun The state of being fierce.

Sources

Sources: Wiktionary, “fierceness”; the older steps come from the Wiktionary entries for Latin ferus, Middle English fers, Middle English fersnesse. 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 *ǵʰweh₁r- / fierceness

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