Where does “magkastigo” come from?

magkastigo (Bikol Central) comes from Bikol Central kastigo, from Spanish castigo, from Spanish castigar, from Old Spanish castigar, from Latin castīgō — to castigate, chastise, reprove.

Ancestry of “magkastigo”, step by step

Step	Language	Word	Meaning
1	Bikol Central	kastigo	—
2	Spanish	castigo	punishment
3	Spanish	castigar	to punish, to castigate
4	Old Spanish	castigar	—
5	Latin	castīgō	to castigate, chastise, reprove

Every word from Latin castīgō →Every word from Old Spanish castigar →Every word from Spanish castigar →