åtta (Swedish)

Where does "åtta" come from?

The Swedish noun 'åtta', denoting the numeral eight, is inherited from Old Swedish 'ātta' or 'āta'[1], which developed from the Old Norse 'átta'[1][5]. This term in turn descends from Proto-Germanic '*ahtōu'[1][2], ultimately tracing back to the Proto-Indo-European cardinal '*oḱtṓw'[1][3][4]. Linguistically, this ancient Indo-European base is understood as an original dual form of a root meaning 'four fingers', reflecting an archaic counting system based on sets of handbreadths[3].

Open questions

• The derivation of the Proto-Indo-European root as a dual of a singular stem meaning 'four fingers' relies on reconstructed forms and comparative evidence rather than direct attestation. [3]

Full etymology tree

• åtta (Swedish), 'eight; the digit "8"'
  • inherited atta (Old Swedish), 'eight'
    • inherited átta (Old Norse), 'eight'
      • inherited *ahtōu (Proto-Germanic), 'eight'
        • inherited *oḱtṓw (Proto-Indo-European), 'eight'
          • derived *(H)oḱto- (Proto-Indo-European)

Ancestors

• átta (Old Norse)
• *ahtōu (Proto-Germanic)
• *oḱtṓw (Proto-Indo-European)

Cognates and doublets

• otte (Danish)
• átta (Icelandic)

Sources

1. åtta (Swedish) - Wiktionary
2. átta (Old Norse) - Wiktionary
3. oḱtṓw (Proto-Indo-European) - Wiktionary
4. ahtōu (Proto-Germanic) - Wiktionary
5. atta (Old Swedish) - Wiktionary

Updated September 2026

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Etymology data from Wiktionary, CC BY-SA 4.0 · About Miraris