1) Literally ‘black earth’, formerly a frequent minor place-name in east Yorkshire, referring usually to land in the town fields.
c.1316 half an acre at Suardmold, Constable Burton
1408 one acre on Swertmollde, Skelton in Cleveland. Undated thirteenth-century references include: unam rodam in cultura mea de Swartemolde, Guisborough
dim. acram supra Swardemolde, Normanby.