Welsh

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Welsh numbers (edit)
600
 ←  50  ←  59 60 61  →  70  → 
6
    Cardinal (decimal): chwe deg, (optionally before a nasal or vowel) chwe deng
    Cardinal (vigesimal): trigain
    Ordinal: trigeinfed
    Ordinal abbreviation: 60fed

Alternative forms

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Etymology

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From tri (three) +‎ ugeinfed (twentieth).

Adjective

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trigeinfed (feminine singular trigeinfed, plural trigeinfed, not comparable)

  1. (ordinal number) sixtieth

Mutation

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Mutated forms of trigeinfed
radical soft nasal aspirate
trigeinfed drigeinfed nhrigeinfed thrigeinfed

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