The story
- Middle English · inherited fromtode-stole
- English todaytoadstool
From Middle English tode-stole, tadstol, taddestol, equivalent to toad + stool. Compare dialectal English frogstool (“toadstool”), Saterland Frisian Poagestoul (“mushroom”, literally “frog's stool”), Dutch paddenstoel.
Etymology from Wiktionary, CC BY-SA 4.0.