/ˈpriːkənˌdɪʃən/ – Noun
Definition: Điều kiện tiên quyết.
A more thorough explanation: a condition that must be met before a project, negotiation, meeting, etc., can go ahead, or before something can happen, or before a decision, ruling, etc., can be made
Example: A written report of the accident must be filed as a precondition to bringing suit.