To originate in or stem from something. The decline of this city is rooted in the move away from local steel in the 1980s. Their form of government is rooted in socialism, though it also has elements of capitalism.

To place something, especially a plant, into something else in order for it to grow roots. I couldn't root any of the vegetables in my back yard because the soil was fool of rocks. You should root the flowers in pots before attempting to plant them in the ground.