Ten (noun)

1. The number 10.
2. A group or unit of ten things.

Origin:

Old english tīen, from proto-germanic *tehun (compare german zehn, dutch tien), from proto-indo-european *déḱm̥t (compare latin decem, sanskrit daśa, greek déka), from *déḱm̥ 'ten'.

Examples:

1. She scored ten out of ten on the test.
2. The company had ten employees when it first opened.
3. The package came with ten candies.
4. The store offered a discount for every ten items purchased.
5. They counted to ten before starting the game.