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