The superlative form meaning most resembling or characterized by gashes; most wounded or cut up.
From 'gashy' (adjective form of gash) plus the superlative suffix '-est,' following standard English patterns for forming extreme comparatives.
This word almost never appears in modern English writing because 'gashest' sounds awkward compared to phrases like 'most gashed' or 'most wounded,' showing how English naturally abandoned awkward constructions over time.
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