A more thorough explanation:

UT NIHIL ILLI DESIT

ut nihil illi desit is a Latin phrase that means "that nothing may be wanting to him."

One example of how this phrase can be used is in a historical context, such as in a royal decree or a formal document. For instance, a king might use this phrase to express his desire that his subjects have everything they need to live a good life.

The phrase ut nihil illi desit is a way of expressing a wish or desire that someone has everything they need. It is often used in formal contexts, such as in a royal decree or a legal document, to express the idea that the person making the statement wants to ensure that nothing is lacking or missing. For example, a king might use this phrase to express his desire that his subjects have everything they need to live a good life, such as food, shelter, and protection.