root

A root is a part of a tree or plant that is under the ground.

Example: The tree was supported by strong roots.

A root is the important part or the beginning part of something.

Example: Hatred is the root of all evil.

To root is to give or enable to something to develop roots; to fix or implant by or as if by roots

To root is to remove altogether by or as if by pulling out by the roots – usually used with out

Example: The school authorities will root out the troublemakers.

To root is to grow roots or take root.

Example: Dandelions took root in my flowerbeds.