Where does “gurano” come from?

gurano (Bikol Central) comes from Bikol Central ano, from Proto-Philippine *anuh, from Proto-Malayo-Polynesian anu, from Proto-Austronesian (na-)nu — what.

Ancestry of “gurano”, step by step

gurano traces back through two separate lines of ancestry.

via Bikol Central ano

StepLanguageWordMeaning
1Bikol Centralano—
2Proto-Philippine*anuhwhat? interrogative pronoun
3Proto-Malayo-Polynesiananuwhat?
4Proto-Austronesian(na-)nuwhat

via Bikol Central gura

StepLanguageWordMeaning
1Bikol Centralgura—

Words derived from “gurano”

Every word from Proto-Austronesian (na-)nu →Every word from Proto-Malayo-Polynesian anu →Every word from Proto-Philippine *anuh →