un.
one
Meaning & usage
one
Where this word comes from
From Middle Welsh un, from Proto-Brythonic *ʉn, from Proto-Celtic *oinos, from Proto-Indo-European *h₁óynos.
one, individual
Sut un ydy dy chwaer?
each (by extension of 'one')
Mae'r afalau 'ma'n costio trideg ceiniog yr un, neu ddwy bunt y cilo.
Where this word comes from
From Middle Welsh un, from Proto-Brythonic *ʉn, from Proto-Celtic *oinos, from Proto-Indo-European *h₁óynos.
only, sole
Where this word comes from
From Middle Welsh un, from Proto-Brythonic *ʉn, from Proto-Celtic *oinos, from Proto-Indo-European *h₁óynos.
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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.