Unpleasantly disgusting, or total before any deductions.
From Old French 'gros,' meaning large or thick, which came from Latin 'grossus,' meaning coarse or thick. The financial sense of 'total' came from the idea of the whole, undivided amount. The informal 'disgusting' sense developed much later in English.
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Past participle of show: to make something visible or display it.
From Old English 'scēawian,' meaning to look at or inspect, from a Germanic root related to German 'schauen,' to look. The meaning shifted from looking at something to making something visible to others. It is one of many English words where the past participle ends in '-n.'
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