Covered with heather; growing heather, or resembling heather in appearance or texture.
From 'heather' (a flowering plant, Old English 'hǽðer') plus the suffix '-ed,' meaning 'having' or 'covered with.' Heather comes from Proto-Germanic roots and has been used to describe moorlands since Old English times.
Heathered landscapes are so iconic to Scotland and England that they've become symbols of 'natural' beauty, but many moorlands were actually created by humans clearing forests—the heather is partly a cultural artifact.
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