Where does “bocacha” come from?

bocacha (Spanish) comes from Spanish boca, from Old Spanish boca, from Latin bucca — the lower part of the cheek; the mouth; c. 27 CE...

bocacha (Spanish): muzzle (firearm)

Definitions

Step	Language	Word	Meaning
1	Spanish	boca	mouth, oral cavity; entrance, opening; estuary
2	Old Spanish	boca	mouth
3	Latin	bucca	the lower part of the cheek; the mouth; c. 27 CE...