Where does “zuidwester” come from?

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

zuidwester (Dutch): southwestern; A sou'wester; A libecchio

Definitions

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

zuidwester — Etymology, Origin & Word History | Etymology Explorer