Where does “chiflar” come from?

chiflar (Spanish) comes from Old Spanish chiflar, from Vulgar Latin sifilare.

chiflar (Spanish): to whistle; to whistle at

Definitions

Step	Language	Word	Meaning
1	Old Spanish	chiflar	—
2	Vulgar Latin	sifilare	—

chiflar — Etymology, Origin & Word History | Etymology Explorer