yn.
grammatical particle used in conjunction with bod (“to be”) to mark adjectival, nominal, or verbal predicate complements
Meaning & usage
grammatical particle used in conjunction with bod (“to be”) to mark adjectival, nominal, or verbal predicate complements
Mae Tom yn darllen.
Mae Tom yn gysglyd.
grammatical particle used to change an adjective into an adverb
yn dda
yn fawr
in (indicating a language)
Mae'r llyfr yn Gymraeg.
Where this word comes from
From Middle Welsh yn.
in, at (definite nouns)
Mae hi'n byw yng Nghaerdydd.
Ydyn ni'n astudio yn y Brifysgol ym Mangor.
Where this word comes from
From Middle Welsh yn, from Old Welsh in, from Proto-Brythonic *ɨn, from Proto-Celtic *eni, from Proto-Indo-European *h₁én.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.