prename
/ˈpriːneɪm/Definitions
1. noun
A person’s name given at birth, often chosen by the parents before the child is born, as opposed to a name given later in life.
“The couple decided to give their child a prename that reflected their cultural heritage.”
2. verb
To give (a person) a name at birth, typically chosen by the parents before the child is born.
“The parents prenamed their child with a name that was passed down through generations.”