Twelve (noun)

1. The cardinal number twelve.
2. A group of twelve things or people.

Origin:

From middle english twelve, twelf, from old english twelf, twilif (“twelve”), from proto-germanic *twalif (“twelve”), from proto-indo-european *dwódeḱm̥t.

Examples:

1. There are twelve months in a year.
2. The clock struck twelve.
3. The jury consisted of twelve people.
4. He ordered a dozen, which is twelve of them.
5. There were twelve cupcakes on the plate.