noun / verb
covenant
KUV-uh-nunt/ˈkʌvənənt/
A solemn agreement or promise, or to make one.
The two families make a covenant to protect the land.

Etymology
“Coming together” developed into “agreeing”: people could come together in their intentions as well as physically. The participial form became a noun for an agreement or promise, underlying the solemn modern sense.
In context
A covenant is a kind of relationship with a promise in it. It's a binding agreement. It's your word that you'll hold up your end of the deal.
More examples
- The partners covenant to share all profits equally.
- The deed includes covenants restricting construction on the property.
- The congregation renews its covenant with God each year.
Forms
covenant · covenants · covenanted · covenanting