Explanation:

- Amitate: This term refers to the special role or influence of a father's sister, often culturally significant, somewhat akin to the role of the maternal uncle.

- Couvade: This is a practice in some cultures where the father of a child participates in childbirth rituals or experiences sympathetic labor pains.

- Avunculate: This custom emphasizes the special relationship between a maternal uncle and his sister's children, which can involve social or economic responsibilities.

- Teknonymy: A naming practice where a parent is referred to by the name of their child, common in various cultures.

Amitate is the correct answer.