Universe (noun)

1. The entire cosmos, including all matter, energy, and space, and all the galaxies, stars, and planets that exist within it.
2. A particular sphere or domain of activity, experience, or knowledge.

Origin:

The word 'universe' originated from the latin word 'universum' which means 'all things.'.

Examples:

1. The universe is thought to have originated from a singularity known as the Big Bang.
2. The study of the universe is called astronomy.
3. The universe is estimated to be about 13.8 billion years old.
4. The idea that our universe is just one of many in a multiverse is a popular theory among scientists.
5. The universe is a vast and mysterious place, full of wonders that are yet to be discovered.