Forty: Years: Wanderings of the Israelites in the Wilderness
Source: Nav
Exodus 16:35
The Israelites ate manna forty years, until they came to a land where they could settle; they ate manna until they reached the border of Canaan.
Numbers 14:34
In keeping with the forty days you spied out the land, you shall bear your guilt forty years—a year for each day—and you will experience My alienation.