paternity
noun [ U ] uk/pəˈtɜː.nə.ti/ us/pəˈtɝː.nə.t̬i/
父亲的身份
the fact of being a father
Increasingly, the unmarried father of a child in Europe registers his paternity at the baby's birth. 欧洲有越来越多的未婚爸爸在婴儿出生时登记自己的父亲身份。
formal（想法或发明的）来源，出处
the origin of an idea or new product