bombita
firecracker
bomba
bomb
+
-ita
diminutive suffix
Bombita means firecracker and can be thought of as bomba0 (bomb0) + -ita1 (diminutive suffix1), literally meaning 'little bomb', which is essentially what a firecracker is.
noun
- firecrackerA small bomb or firecrackerLos niños lanzaron bombitas durante la celebración. // The children threw firecrackers during the celebration.