Pomegranate

From the name of this fruit came the name of the projectile–grenade–a projectile that hurls shrapnel and explosive or incendiary energy.

An excerpt from the article 19 facts about pomegranate

In Spanish, the name of the fruit is granada. From it came the geographical names Grenada (an island state on the island of Grenada in the Caribbean Sea), Granada (cities in Nicaragua and Spain), and Grenadines (a group of islands in Central America).