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WELSH · A WORD WITH POSSIBILITIES

gwyllgi.

A hellhound from Welsh folklore, appearing as a large black mastiff.

7 characters2 syllables approx.Cymraeg language

Meaning & usage

noun/ˈɡwəɬɡi/
  1. A hellhound from Welsh folklore, appearing as a large black mastiff.

    masculine
Where this word comes from

Either from gwyll (“twilight”) + ci (“dog”) or a variant form of gwylltgi from gwyllt (“wild”) and ci (“dog”).

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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.