Inbound (adjective)

1. Coming in, especially from outside an area, organization, or structure.
2. Heading toward a specific location or destination.
3. Directed inward or toward a center.

Origin:

Derived from the word 'in' meaning 'inside' and 'bound' meaning 'destination or limit', 'inbound' has been in use in english language since 16th century.

Examples:

1. The inbound train is expected to arrive in five minutes.
2. The inbound flight was delayed due to bad weather.
3. The inbound traffic was heavy during rush hour.
4. The inbound shipment of goods was held up at customs.
5. The inbound message was encrypted for security purposes.