Teknonym

Teknonymy (from Greek: τέκνον, "child" and ὄνομα, "name"), more often known as a paedonymic, is the practice of referring to parents by the names of their children. This practice can be found in many different cultures around the world. The term was coined by anthropologist Edward Burnett Tylor in an 1889 paper.

Teknonymy can be found in:

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Wikipedia