Cumulative (adjective)

1. Increasing or increased in quantity, degree, or force by successive additions.
2. Formed by the addition of several parts or elements.

Origin:

Origin: mid 18th century: from latin cumulat- ‘heaped up, accumulated’, from the verb cumulare, from cumulus ‘a heap’.

Examples:

1. The company reported a cumulative profit for the year.
2. The effects of smoking are cumulative over time.
3. The cumulative effect of the changes was to transform the organization.