Where does “castigo” come from?

castigo (Spanish) comes from Spanish castigar, from Old Spanish castigar, from Latin castīgō.

castigo (Spanish): punishment

Definitions

Step	Language	Word	Meaning
1	Spanish	castigar	to punish, to castigate
2	Old Spanish	castigar	—
3	Latin	castīgō	—

castigo — Etymology, Origin & Word History | Etymology Explorer