An archaic or obsolete form meaning to erase or blot out.
From Latin 'eradere' (to scrape out), from 'e-' (out) + 'radere' (to scrape). This Old English verb fell out of use as 'erase' became the standard term.
Before erasers were invented, people actually used bread crumbs to rub pencil marks away—so 'erade' captured the literal scraping action of removing something written, which is still how we describe digital deletion!
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