early 15c., restyffe "not moving forward," from Middle French restif "motionless, brought to a standstill" (Modern French rétif), from rester "to remain" (see rest (n.2)). Sense of "unmanageable" (1680s) evolved via notion of a horse refusing to go forward.
the government has done nothing to ease restrictions and manufacturers are growing restive
restaurateur
rested
restful
restitute
restitution
restive
restless
restock
restoration
restorative
restore
