from The Century Dictionary.
- noun A very bitter narcotic, highly poisonous levorotatory compound, C54H84O24.3H2O, contained in the seeds of Thevetia Thevetia. It crystallizes in small leaflets and melts at 170° C.
Sorry, no etymologies found.
After expression De Vry obtained from the caked residue 4\% of a crystalline glucoside called by him _thevetin_.