Where does “bituon” come from?

bituon (Bikol Central) comes from Proto-Philippine *bituqən, from Proto-Malayo-Polynesian bituqən, from Proto-Austronesian bituqən — star.

Ancestry of “bituon”, step by step

StepLanguageWordMeaning
1Proto-Philippine*bituqən—
2Proto-Malayo-Polynesianbituqənstar
3Proto-Austronesianbituqənstar
Every word from Proto-Austronesian bituqən →Every word from Proto-Malayo-Polynesian bituqən →Every word from Proto-Philippine *bituqən →