from The Century Dictionary and Cyclopedia
- n. A long and slender casting of some cheap metal hung by a sash-cord in the casing of a window-frame and used to counterbalance the weight of the sash.
Sorry, no etymologies found.
Sally heard this because she had pulled down the top sash of her window to breathe the sea air, regardless of the fact she well knew, and described thus -- that the sash-weight stuck and clunkled and wouldn't come down.
Great leaden thing like an enormous sash-weight and as heavy —”