Where does “kadagitan” come from?

kadagitan (Bikol Central) comes from Bikol Central dagit, from Proto-Philippine *daʀit.

Ancestry of “kadagitan”, step by step

kadagitan traces back through two separate lines of ancestry.

via Bikol Central dagit

StepLanguageWordMeaning
1Bikol Centraldagit—
2Proto-Philippine*daʀit—

via Bikol Central ka- -an

StepLanguageWordMeaning
1Bikol Centralka- -an—
Every word from Proto-Philippine *daʀit →Every word from Bikol Central dagit →