apellidar
surname
apellido
surname
+
-ar
verb suffix
Apellidar means to surname and can be thought of as apellido0 (surname0) + -ar1 (verb suffix1), literally meaning 'to give a surname'.
verb
- surnameTo give a surname or family name to someoneDecidieron apellidar al niño con el apellido de la madre. // They decided to surname the child with the mother's last name.