from The Century Dictionary and Cyclopedia
- n. The water containing solid matter in solution which is obtained on boiling meat scraps, slaughterhouse offal, and mixed city garbage containing such materials, the melted grease being skimmed off from the surface and the undissolved solids allowed to deposit at the bottom of the tank. The residue left on evaporating tank-water is called stick. See stick, 4, and tankage, 3.
Sorry, no etymologies found.