Welsh

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Welsh numbers (edit)
800
 ←  70 [a], [b] ←  79 80 81  →  90  → 
8
    Cardinal (decimal): wyth deg, (optionally before a nasal or vowel) wyth deng
    Cardinal (vigesimal): pedwar ugain
    Ordinal: pedwar ugeinfed
    Ordinal abbreviation: 80fed

Alternative forms

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Etymology

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Literally, four-twentieth.

Adjective

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pedwar ugeinfed (feminine singular pedwar ugeinfed, plural pedwar ugeinfed, not comparable)

  1. (ordinal number) eightieth

Mutation

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Mutated forms of pedwar ugeinfed
radical soft nasal aspirate
pedwar ugeinfed bedwar ugeinfed mhedwar ugeinfed phedwar ugeinfed

Note: Certain mutated forms of some words can never occur in standard Welsh.
All possible mutated forms are displayed for convenience.