Where does “pagkalangkag” come from?

pagkalangkag (Bikol Central) comes from Tagalog pagka, from Tagalog pagkamakabagunsakupin — neocolonialism.

Ancestry of “pagkalangkag”, step by step

pagkalangkag traces back through two separate lines of ancestry.

via Tagalog pagka

StepLanguageWordMeaning
1Tagalogpagkaif
2Tagalogpagkamakabagunsakupinneocolonialism

via Bikol Central langkag

StepLanguageWordMeaning
1Bikol Centrallangkag
Every word from Tagalog pagkamakabagunsakupinEvery word from Tagalog pagka
pagkalangkag — Etymology, Origin & Word History | Etymology Explorer