from The Century Dictionary.
- noun A decoction of some plant, generally a bitter plant, used as an anthelmintic.
Sorry, no etymologies found.
With senna, it forms the well-known and efficacious remedy called worm-tea: composed of spig. half an ounce; senna two drachms; savin half a drachm, and manna two drachms -- to be infused in a pint of water and strained, of which one to two ounces may be given to a child.
Resources of the Southern Fields and Forests, Medical, Economical, and Agricultural. Being also a Medical Botany of the Confederate States; with Practical Information on the Useful Properties of the Trees, Plants, and Shrubs