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| Language: | Old English |
| Origin: | twelf |
HMN the number 12 : 
He received a twelve-month jail sentence.Come at twelve (=12 o'clock). Their son Dylan is twelve (=12 years old).
He received a twelve-month jail sentence.Come at twelve (=12 o'clock).Their son Dylan is twelve (=12 years old). —twelfth adjective, pronoun: her twelfth birthday in the twelfth century
her twelfth birthdayin the twelfth century