Etymograph

English

quadrilliard

Quadrilliard comes from French quadrilliard ‘octillion (10²⁷)’.

  1. Frenchc. 1600–presentquadrilliard1‘octillion (10²⁷)’
  2. Englishearliest quotation 2002quadrilliard1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English quadrilliard
  2. Earliest quotation in Wiktionary’s entry: 2002, bruce, Re: Australians did it again! (?): “Ugh. An Australian should use Australian numbers (the same…”.

Lineage

  1. Frenchc. 1600–presentquadrilliardWiktionary, English quadrilliard‘octillion (10²⁷)’
  2. Englishearliest quotation 2002quadrilliardWiktionary, English quadrilliard. Earliest quotation in Wiktionary’s entry: 2002, bruce, Re: Australians did it again! (?): “Ugh. An Australian should use Australian numbers (the same…”

Formed from quadri + illiard

Italian Quadri

English quadri

Every English word from French quadrilliard

Today it means

num A thousand million million million million: 1 followed by twenty-seven zeros, 10²⁷.

Sources

Sources: Wiktionary, “quadrilliard”. 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 / French quadrilliard / quadrilliard

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