Where does “hararom” come from?

hararom (Bikol Central) comes from Bikol Central rarom, from Proto-Malayo-Polynesian daləm, from Proto-Austronesian daləm — inside; deep.

Ancestry of “hararom”, step by step

hararom traces back through two separate lines of ancestry.

via Bikol Central rarom

StepLanguageWordMeaning
1Bikol Centralrarom—
2Proto-Malayo-Polynesiandaləminside; deep
3Proto-Austronesiandaləminside; deep

via Bikol Central ha

StepLanguageWordMeaning
1Bikol Centralha—
Every word from Proto-Austronesian daləm →Every word from Proto-Malayo-Polynesian daləm →Every word from Bikol Central rarom →