praecessum
Praecessum is a Latin term derived from the verb praecedere, meaning to go before. It functions primarily as the neuter singular form of the perfect passive participle (and, in some uses, as the neuter form of the supine) of praecedere, and it can be used as a noun or adjective meaning “that which has gone before” or “a precedent; an antecedent.” In Latin texts, praecessum describes something preceding in time or order.
In classical Latin, the form is relatively rare, with related forms such as praecedens (the present participle
The term is generally treated as a specialized lexical item rather than a common everyday Latin word.