C14 moldewarpe; ultimately from Germanic moldeworpon (unattested) earth-thrower, from moldāmould3 + wurp, werp to throw (both unattested)
mole in British English1
(məʊl)
noun
1.
any small burrowing mammal, of the family Talpidae, of Europe, Asia, and North and Central America: order Insectivora (insectivores). They have velvety, typically dark fur and forearms specialized for digging
2. golden mole
3. informal
a spy who has infiltrated an organization and, often over a long period, become a trusted member of it
Word origin
C14: from Middle Dutch mol, of Germanic origin; compare Middle Low German mol