Inflow (noun)

1. The flow of liquid, gas, or air into a place or container.
2. The flow of money, resources, or people into a country or organization.

Origin:

Mid 19th century: from in-1 + flow.

Examples:

1. The inflow of water into the dam was greater than its outflow, causing the dam to overflow.
2. The inflow of tourists to the city increased during the summer months.
3. The inflow of refugees into the country was straining its resources.
4. The inflow of new investors provided much-needed capital for the startup.
5. The inflow of oil into the pipeline was slowed down due to a malfunction.