Plural of access; plural instances of means of approaching, reaching, or using something, or in medicine, the onset of a disease attack.
From access, which comes from Latin accessus (an approach), from accedere (to go to). The plural adds -es to the noun form.
In medicine, an 'access' is specifically when a fever or disease suddenly attacks—'fever accesses' means waves of fever, and doctors still use this term, showing how a common word has a specialized medical meaning!
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