Brittle or fragile; easily broken; having a harsh or rasping quality (of sound).
From 'brash' (possibly from a blend of 'brittle' and 'crashing' sounds, or from nautical terminology). The '-y' suffix makes it an adjective.
Tree surgeons talk about 'brashy wood' when trees are diseased or old—it looks solid but shatters instead of bending, making it dangerous to climb!
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