Welsh

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Welsh numbers (edit)
40
[a], [b] ←  3 4 5  → 
    Cardinal (masculine): pedwar
    Cardinal (feminine): pedair
    Ordinal (masculine): pedwerydd
    Ordinal (feminine): pedwaredd
    Ordinal abbreviation (masculine): 4ydd
    Ordinal abbreviation (feminine): 4edd
    Multiplier: pedwarplyg

Alternative forms

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Etymology

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From Middle Welsh pedweryd, from Old Welsh petguaret, from Proto-Brythonic *pėdwėrɨð, from Proto-Celtic *kʷetwariyos, equivalent to pedwar (four) +‎ -ydd (-th).

Pronunciation

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Adjective

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pedwerydd (feminine singular pedwaredd, plural pedwerydd, not comparable)

  1. (ordinal number) fourth

Mutation

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Mutated forms of pedwerydd
radical soft nasal aspirate
pedwerydd bedwerydd mhedwerydd phedwerydd

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