Where does “Palacpac” come from?

Palacpac (Tagalog) comes from Tagalog palakpak, from Bikol Central pakpak, from Proto-Austronesian *pakpak.

Ancestry of “Palacpac”, step by step

StepLanguageWordMeaning
1Tagalogpalakpakclap
2Bikol Centralpakpak—
3Proto-Austronesian*pakpak—
Every word from Proto-Austronesian *pakpak →Every word from Bikol Central pakpak →Every word from Tagalog palakpak →