Tidal (adjective)

1. Relating to the tides and the rise and fall of the sea level.
2. Affected by the tides or occurring at the same time as the tides.

Origin:

The word "tidal" comes from the latin word "tidalis" which means "of or belonging to the tide".

Examples:

1. The tidal waves were caused by the earthquake.
2. The tidal bore is a spectacular natural phenomenon.
3. The tidal pool is a great place to find sea creatures.
4. The tidal force of the moon raises and lowers the ocean levels.
5. The tidal energy is harnessed to generate electricity.