spur on
Goad or urge ahead, as in The thought of winning a Pulitzer Prize spurred the reporter on. This expression transfers using spurs to make a horse go faster to incentives of other kinds. [Late 1500s]
Words nearby spur on
spur,
spur blight,
spur gall,
spur gear,
spur gearing,
spur on,
spur track,
spur veins,
spur wheel,
spur-of-the-moment,
spurge