Where does “blaffer” come from?

blaffer (Dutch) comes from Dutch er, from Old Dutch iro.

blaffer (Dutch): one who barks, usually a canine; a gun

Definitions

Step	Language	Word	Meaning
1	Dutch	er	there; him, her, it, them; of them, of those
2	Old Dutch	iro	—

blaffer — Etymology, Origin & Word History | Etymology Explorer