from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a system of units used to express the weight of something
Sorry, no etymologies found.
Instead of scansion by pyrrhics and spondees, iambs and trochees, anapæsts and similar simplifications he invented a system of weights (“wuzún”).
 Cubitum, literally the distance between the elbow and the tip of the middle finger; in the imperial system of weights and measures it was 17.5 inches.