A more thorough explanation:

Definition: A libellus divortii is a legal document used in Roman law to initiate a divorce. It is also known as a bill of divorce or libellus repudii.

Example: In ancient Rome, if a husband wanted to divorce his wife, he would have to present a libellus divortii to a judge. The document would state the reasons for the divorce and the terms of the separation, such as property division and custody of children.

Explanation: The libellus divortii was an important legal document in Roman law that allowed couples to legally end their marriage. It was necessary for a husband to present this document to a judge in order to initiate the divorce process. The example illustrates how the libellus divortii was used in ancient Rome to legally dissolve a marriage.