A Welsh term referring to a flaw, defect, or weak point in something.
From Welsh 'gwag' or similar forms in related Celtic languages. This is a regional Welsh word that has not been widely adopted into standard English, remaining primarily used in Welsh-speaking communities.
Welsh has contributed surprisingly few words to English compared to languages like French and German, which is why words like 'gwag' remain mysterious to most English speakers—they're linguistic bridges to a different Celtic tradition entirely.
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