different between dumbly vs dumble

English

From dumb +? -ly.

dumbly (comparative more dumbly, superlative most dumbly)

dumble (plural dumbles)

(Nottinghamshire) A dale with a stream.
- 1859 John Blenkarn, British timber trees: a practical treatise on the raising, management, and value of British timber, G. Routledge, page 110:
  When a stream runs in a deep dell, particularly in clay districts, the steep banks and stream form what are called a “dumble” in Nottinghamshire.
- 1999 Paul A. Biggs & Sandra Biggs, Best Tea Shop Walks in Nottinghamshire, Sigma Leisure, page 106:
  Lambley is famous for its ‘dumbles.’ A dumble being a local name for a shallow dale with a stream. D.H. Lawrence is reputed to have enjoyed walking the Lambley Dumbles.
(East Yorkshire) The club rush.

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