Where does “badalo” come from?

badalo (Galician) comes from Old Portuguese badalo, from Vulgar Latin bataclum, from Latin battuaculum, from Latin battuō.

badalo (Galician): clapper

Definitions

Step	Language	Word	Meaning
1	Old Portuguese	badalo	bell-clapper
2	Vulgar Latin	bataclum	clapper
3	Latin	battuaculum	—
4	Latin	battuō	—

badalo — Etymology, Origin & Word History | Etymology Explorer