slowworm
noun
slow·worm ˈslō-ˌwərm 
: a burrowing limbless European lizard (Anguis fragilis) with small eyes
called also blindworm
Word History
Etymology
Middle English sloworm, from Old English slāwyrm, from slā- (akin to Swedish slå earthworm) + wyrm worm
First Known Use
before the 12th century, in the meaning defined above