The story
- Old English · inherited fromslāwyrm“slow-worm, blindworm”
- Middle English · inherited fromsloworm
- English todayslowworm
From Middle English sloworm (possibly influenced by slow), from Old English slāwyrm (“slow-worm, blindworm”), from *slā, related to Norwegian slo (“slow-worm”), Swedish slå (“slow-worm”) + wyrm (“worm, snake”). Compare Swedish ormslå.
Etymology from Wiktionary, CC BY-SA 4.0.