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Etymology

seven

/ˈsɛvən/

numeral

Origin

Proto-Indo-European

*septḿ̥ — seven

Overview

Meaning Now

  • The cardinal number that follows six and precedes eight.
  • Used to denote a quantity or set of seven members or items.

Language path

Proto-Indo-European → Proto-Germanic → Old English → Middle English → English

Earliest form

seofon

Earliest period

Old English (c. 9th century)

Journey

Numerals are among the most conservative lexical items in a language, often retaining ancient roots for thousands of years. The word seven has remained relatively stable in form and meaning since the Proto-Indo-European era, showing consistent phonological changes aligned with Germanic sound laws.

Evolution

  1. Proto-Indo-European (c. 4500–2500 BCE)

    *septḿ̥

    “seven”

    Reconstructed form; no direct written attestation.

  2. Proto-Germanic (c. 500 BCE–500 CE)

    *seban

    “seven”

    PIE *p* shifted to *f* (or *þ* variants) via Grimm's Law; nasalization simplified.

  3. Old English (c. 450–1150)

    seofon

    “seven”

    Vowel diphthongization and stabilization of the final nasal consonant.

  4. Middle English (c. 1150–1500)

    seven

    “seven”

    Diphthong reduced to a schwa; spelling began to stabilize.

  5. Modern English (c. 1500–present)

    seven

    “seven”

    Standardized spelling and stable pronunciation.

Connections

Word parts

sev-

root

seven

-en

ending

numeral ending

Related across languages

  • German

    sieben

    seven

  • Dutch

    zeven

    seven

  • Latin

    septem

    seven

  • Ancient Greek

    ἑπτά (heptá)

    seven

  • Sanskrit

    saptá

    seven

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