Where does “velacho” come from?

velacho (Spanish) comes from Spanish Vela, from Spanish velar, from Old Spanish velar.

Ancestry of “velacho”, step by step

Step	Language	Word	Meaning
1	Spanish	Vela	—
2	Spanish	velar	velar; to veil; to conceal, cover, hide
3	Old Spanish	velar	—

velacho — Etymology, Origin & Word History | Etymology Explorer