What does ad invicem mean in Latin?

ad invicem, a adverb, means “mutually, each other, reciprocally, one another”.

adverb

ad invicem

ad invicem (not comparable)

not comparablemutually, each other, reciprocally, one another
Nec mora, amici facti sunt adinvicem et cohortibus exarmatis urbem Trinovantum venerunt.They immediately befriended each other, and, having disarmed their troops, went to the city of Trinovantum.12th century, Geoffrey of Monmouth, De Gestis Britonum III

From ad + invicem.

What does ad invicem mean in Latin?: ad invicem, a adverb, means “mutually, each other, reciprocally, one another”.