Where does “hilawod” come from?

hilawod (Bikol Central) comes from Bikol Central lawod, from Proto-Oceanic *lahud, from Proto-Austronesian lahud — downstream.

Ancestry of “hilawod”, step by step

StepLanguageWordMeaning
1Bikol Centrallawod
2Proto-Oceanic*lahud
3Proto-Austronesianlahuddownstream
Every word from Proto-Austronesian lahudEvery word from Proto-Oceanic *lahudEvery word from Bikol Central lawod