Word Origin & History
toadO.E. tadige, tadie, of unknown origin and with no known cognates outside Eng. Toadstone "stone or stone-like object, supposedly magical (with healing or protective power) and found in the heads of certain toads," is attested from 1558, transl. Gk. batrakhites, M.L. bufonites; cf. also Fr. crapaudine
(13c.), Ger. krötenstein.