Where does “batong-dapi” come from?

batong-dapi (Tagalog) comes from Tagalog bato, from Proto-Philippine *batu, from Proto-Malayo-Polynesian batu, from Proto-Austronesian *batux — rock; stone.

batong-dapi (Tagalog): a kind of white hard stone

Definitions

  1. a kind of white hard stone

Ancestry of “batong-dapi”, step by step

batong-dapi traces back through two separate lines of ancestry.

via Tagalog bato

StepLanguageWordMeaning
1Tagalogbatostone; kidney; gallstone
2Proto-Philippine*batustone substance; small piece of stone
3Proto-Malayo-Polynesianbatustone
4Proto-Austronesian*batuxrock; stone

via Tagalog dapi

StepLanguageWordMeaning
1Tagalogdapia kind of stone with a hardness that it cannot be chipped, carved, or worked
Every word from Proto-Austronesian *batux