Where does “Kabikulan” come from?

Kabikulan (Tagalog) comes from Tagalog ka- -an, from Proto-Austronesian *ka- -an.

Ancestry of “Kabikulan”, step by step

Kabikulan traces back through two separate lines of ancestry.

via Tagalog ka- -an

StepLanguageWordMeaning
1Tagalogka- -anused to form abstract nouns
2Proto-Austronesian*ka- -an—

via Tagalog Bikol

StepLanguageWordMeaning
1TagalogBikolBicolano language
2SpanishBicol—
Every word from Proto-Austronesian *ka- -an →Every word from Tagalog ka- -an →