revólver
/reˈbolbeɾ/ · B2 · noun · m
revolver
🔫 Same word as English: from Latin revolvere, to roll back, as the cylinder turns
The gun is named for its revolving cylinder, from Latin re- (back) + volvere (to roll). In Spanish the v sounds like b and the stress falls on -vól-, so it is said re-BOL-ber.