Propagate (verb)

1. To cause something to grow or increase by natural processes.
2. To cause something to spread or become more widely known.
3. To reproduce or multiply a plant or animal through natural processes.

Origin:

The word propagate comes from the latin word propagare, meaning "to cause to grow or spread" and it has been in use since the 17th century.

Examples:

1. The plant was propagated from a cutting.
2. They propagated the species by breeding.
3. The company is propagating their brand through advertising.
4. The virus propagated quickly.
5. The idea was propagated through social media.