• áttján (archaic)

From Old Norse átján, from Proto-Germanic *ahtōutehun. Cognate with the Swedish arton, Danish atten, English eighteen and German achtzehn.

átján (indeclinable)

1. eighteen

• einn af átján
• nú tekur átján yfir, nú kastar átján yfir
• sjá upp á átján augum

• áttján — older form

From Proto-Germanic *ahtōutehun. Compare Old English eahtatīene, Old High German ahtozehan.

átján

1. (cardinal number) eighteen

• Icelandic: átján
• Faroese: átjan
• Norwegian Nynorsk: atjan, attan
• Old Swedish: atertān, adherton, attartān, atartān, attān, adhærton
  • Swedish: aderton, arton
• Old Danish: attæn
  • Danish: atten
  • Norwegian Bokmål: atten
    • → Norwegian Nynorsk: atten
  • → Translingual: atto-
    • → Catalan: atto-
    • → Danish: atto-
    • → Dutch: atto-
    • → English: atto-
    • → Finnish: atto-
    • → French: atto-
    • → Norwegian Bokmål: atto-
• Elfdalian: aðertǫ, åttjǫ, artǫ
• Gutnish: attn, adatn, atretten

• Zoëga, Geir T. (1910) “átján”, in A Concise Dictionary of Old Icelandic, Oxford: Clarendon Press, page 39; also available at the Internet Archive