/diˈtɑː/; /diˈtɑːt/ or /diˈtɑː/; (Note: detat is not a standard word in English, it seems like a misspelling or a non-existent word. However, I will provide an entry based on possible alternatives.)

Definitions

1. noun

A variant of detente, referring to a state of relaxation of tensions or a lessening of the threat of war.

“The peace treaty marked a significant detat in international relations.”