To fuss about or bustle around with nervous, hurried activity; to fidget or move restlessly.
Possibly from fuss with a diminutive or iterative suffix, or from obsolete fustell. The word suggests repeated small movements and bustling without clear purpose.
This word mostly survives in dialect or archaic usage, capturing a specific kind of nervous, busybody energy that modern English mostly just calls 'fussing'—our ancestors had more precise words for grades of restless activity.
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