To maintain and care for the grounds of an area, such as mowing lawns, removing weeds, and keeping landscaping attractive.
From ground + keep (Old English 'cēpan,' meaning to hold or maintain). A back-formation from groundskeeper, emerging in 20th-century American English.
Groundskeeping at championship golf courses is so precise that workers measure grass height to the millimeter and know the exact angle at which grass blades should bend—it's landscape engineering at its most obsessive.
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