c. 1300, "skilled with the hands" (implied in surnames), from hand (n.) + -y (2). Meaning "conveniently accessible" is from 1640s.
found a handy spot for the can opener
a handy gadget
handy with an axe
hand-spike
handstand
handwork
handwriting
hand-written
handy
handyman
hang
hang in
hang on
hang out