root

A simple form inferred as the common basis from which related words in several languages can be derived by linguistic processes.

The embedded part of a bodily structure such as a tooth, nail, or hair.

Someone from whom you are descended (but usually more remote than a grandparent).

(linguistics) the form of a word after all affixes are removed.

The set of values that give a true statement when substituted into an equation.

The place where something begins, where it springs into being.

“communism's Russian root”

A number that, when multiplied by itself some number of times, equals a given number.

(botany) the usually underground organ that lacks buds or leaves or nodes; absorbs water and mineral salts; usually it anchors the plant to the ground.

Cause to take roots.

Cheer for.

“She roots for the Broncos”

Come into existence, originate.

“The problem roots in her depression”

Plant by the roots.

Take root and begin to grow.

“this plant roots quickly”

Become settled or established and stable in one's residence or life style.

Dig with the snout.

“the pig was rooting for truffles”