nomen est omen

Etymology
The origin of this saying is attributed to the Roman playwright. In his play “” the slave Toxilus lures his owner, Dordalus, to buy an expensive slave-girl named, saying, “Nōmen atque ōmen quantīvīs iam est pretī” (“The name and the omen are worth any price”).

Proverb

 * 1) The name is a sign, the name speaks for itself.