The act or process of making someone unable or unfit; the state of being disabled or incapacitated.
From 'dishabilitate' plus '-ation', a Latin-derived nominalization suffix. This creates an abstract noun naming the process or result of the verb.
The '-ation' suffix is so common in formal English that we barely notice it, but 'dishabilitation' shows how any verb can become a noun—it's how language lets us talk about processes as things.
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