Spawn (verb)

1. Cause (fish or frogs) to lay eggs in large quantities.
2. Bring into existence; give rise to.

Origin:

Late 16th century, from middle french espandre, from old french espanir "spread out, spread, hatch".

Examples:

1. The salmon will spawn in the fresh water of the rivers.
2. This new technology is expected to spawn many new business opportunities.
3. The river was filled with spawning salmon.
4. The volcanic eruption spawned a massive ash cloud.
5. A single pair of mallard ducks can spawn several broods in a season.