gwyllt.
wild, untamed
Meaning & usage
wild, untamed
unruly
furious, raging
Where this word comes from
From Middle Welsh gwyllt, from Proto-Brythonic *gwɨlt (“wild”) (Old Cornish guill, Cornish gwyls (“wild”), Old Breton gueldenes (“untamed island”)), from Proto-Celtic *gʷeltis (“wild”) (Irish geilt (“lunatic”)), from Proto-Indo-European *gʷʰel-t-. May be cognate with English wild if Proto-Germanic *wilþijaz is also from *gʷʰel-t- and not, as sometimes proposed, from a *wel- (“hair, wool”).
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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.