You searched for: “summation
summation (s) (noun), summations (pl)
1. The final summing-up of an argument in a court of law.
2. A summary of something that has been said or written.
3. A total amount or aggregate of something.
4. The process of adding something up to find a total.
5. Etymology: from Modern Latin summationem, summatio, "an adding up" from Late Latin summatus and summare, "to sum up" from Latin summa with the use of the feminine of summus, "highest".