Etymograph

English

surjection

Surjection comes from French surjection, and goes back to Latin superiectiōnem ‘a throwing over or on’.

  1. Latinc. 75 BCE–200 CEsuperiectiōnem1‘a throwing over or on’
  2. Frenchc. 1600–presentsurjection2
  3. Englishearliest quotation 1992surjection2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, French surjection
  2. 2 Wiktionary, English surjection
  3. Earliest quotation in Wiktionary’s entry: 1992, Rowan Garnier, John Taylor: “In some special cases, however, the number of surjections…”.

Lineage

  1. Latinc. 75 BCE–200 CEsuperiectiōnemWiktionary, French surjection‘a throwing over or on’
  2. Frenchc. 1600–presentsurjectionWiktionary, English surjection
  3. Englishearliest quotation 1992surjectionWiktionary, English surjection. Earliest quotation in Wiktionary’s entry: 1992, Rowan Garnier, John Taylor: “In some special cases, however, the number of surjections…”

Every English word from Latin superiectiōnem

Today it means

noun A function for which every element of the codomain is mapped to by some element of the domain; (formally) Any function f:X→Y for which for every y∈Y, there is at least one x∈X such that f(x)=y.

Language periods are conventional ranges, not dates for this word.

Etymograph / Latin superiectiōnem / surjection

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