unhefty

From un- + hefty.

1. 01
   derived from hefða — “to acquire prescriptive rights”
2. 02
   borrowed from heft — “to cause (cattle or sheep) to become familiar with a pasture; of animals: to become familiar with a pasture; (figurative) of a person: to become settled in an occupation or place”
3. 03
   derived from *kap-✻
4. 04
   derived from *habjaną✻ — “to have; to hold”
5. 05
   derived from hefð — “occupation; possession; prescriptive right”
6. 06
   borrowed from heft
7. 07
   formed as hefty — “heft + -y”
8. 08
   prefixed as unhefty — “un + hefty”