Makes something rough or crude, or becomes rougher in texture or quality.
From Old English 'carse' (low-lying land) and Middle English 'cors,' possibly from Old Norse 'kors.' The verb form adds the suffix '-en' meaning 'to make or become,' with the third-person singular '-s.'
The word 'coarse' originally meant something was made of rough material or low quality, but over time it expanded to describe anything crude—from sandpaper to rude behavior. It's wild how a word about texture became a word about manners!
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