Etymograph

English

formidable

Formidable comes from Latin formīdābilis ‘formidable, terrible’, and goes back to formīdō ‘fear, dread’.

  1. Latinc. 75 BCE–200 CEformīdō1‘fear, dread’
  2. Latinc. 75 BCE–200 CEformīdābilis1‘formidable, terrible’
  3. Old Frenchc. 842–1400formidable1
  4. Middle Englishc. 1150–1500formidable1
  5. Englishearliest quotation 1823formidable1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English formidable
  2. Earliest quotation in Wiktionary’s entry: 1823, Walter Scott, The Contrast: “The latter part of the fifteenth century prepared a…”.

Earlier history uncertain. See Wiktionary.

Lineage

  1. Latinc. 75 BCE–200 CEformīdōWiktionary, English formidable‘fear, dread’
  2. Latinc. 75 BCE–200 CEformīdābilisWiktionary, English formidable‘formidable, terrible’
  3. Old Frenchc. 842–1400formidableWiktionary, English formidable
  4. Middle Englishc. 1150–1500formidableWiktionary, English formidable
  5. Englishearliest quotation 1823formidableWiktionary, English formidable. Earliest quotation in Wiktionary’s entry: 1823, Walter Scott, The Contrast: “The latter part of the fifteenth century prepared a…”

Formed from -able

Linked words

through Proto-Indo-European *dʰer- ‘to hold’

drug, dark, dry, drama, firm, throne, dare, drain, drone, drastic, refrain, feasible, darn, dharma, dazed, dor, dern, 42 more

Today it means

adj Causing fear, dread, awe, or discouragement as a result of size, strength, or some other impressive feature; commanding respect; causing wonder or astonishment.

Sources

Sources: Wiktionary, “formidable”. 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 / Latin formīdō / formidable