Buildup (noun)

1. The gradual or systematic accumulation of something.
2. A process of increasing in size, strength, or intensity.
3. An accumulation of substances, especially waste products.

Origin:

The term "buildup" originated in the late 19th century and is derived from the verb "build up". it refers to the gradual or systematic accumulation of something.

Examples:

1. The buildup of traffic on the highway was causing delays.
2. There was a noticeable buildup of muscle after he started working out.
3. The buildup of waste in the pipes was causing clogs.
4. There was a gradual buildup of tension in the room as everyone awaited the verdict.
5. The buildup of wealth took years of hard work and dedication.