An Etymological Dictionary of Astronomy and Astrophysics

The aquatic larva of → frogs and → toads, having internal gills and a tail (TheFreeDictionary).

Etymology (EN): From M.E. taddepol, from tadde “toad” + polle “head,” from M.L.G. or M.Du. pol “head, top.”

Etymology (PE): Vagiz, from Tabari vag “→ frog”

• -iz, -ize diminutive suffix (variants -ce, -že, -ak, Mid.Pers -cak).