Heavy-duty (adjective)

1. Designed or built to withstand a lot of use or wear and tear.
2. Intended for use in demanding or severe conditions.

Origin:

The term heavy-duty is a compound word that was formed by combining the adjective heavy and the noun duty, which refers to the amount of work or effort that is required of something.

Examples:

1. He needed a heavy-duty tool to repair his car.
2. The company uses heavy-duty machinery to move large amounts of materials.
3. The construction site required heavy-duty equipment to lift the heavy beams.
4. The backpack is made of heavy-duty materials that can withstand harsh conditions.
5. The truck is heavy-duty and can carry large loads of cargo.