Where does “kaibabawan” come from?

kaibabawan (Bikol Central) comes from Bikol Central ibabaw, from Bikol Central babaw, from Proto-Malayo-Polynesian *babaw, from Proto-Austronesian *babaw — upper surface.

Ancestry of “kaibabawan”, step by step

kaibabawan traces back through two separate lines of ancestry.

via Bikol Central ibabaw

StepLanguageWordMeaning
1Bikol Centralibabaw—
2Bikol Centralbabaw—
3Proto-Malayo-Polynesian*babaw—
4Proto-Austronesian*babawupper surface

via Bikol Central ka- -an

StepLanguageWordMeaning
1Bikol Centralka- -an—
Every word from Proto-Austronesian *babaw →Every word from Proto-Malayo-Polynesian *babaw →Every word from Bikol Central babaw →