earthworm

From Middle English erthe-worm, erþe-worm, erþe worm (also as worm of þe erthe, worm of þe erþe), equivalent to earth + worm. Compare Saterland Frisian Äidwurm (“earthworm”), West Frisian ierdwjirm (“earthworm”), Dutch aardworm (“earthworm”), less common German Erdwurm (“earthworm”).