Where does “pusong-bato” come from?

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

pusong-bato (Tagalog): stonehearted; hardhearted; without compassion

Definitions

  1. stonehearted; hardhearted; without compassion

Ancestry of “pusong-bato”, step by step

pusong-bato 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 puso

StepLanguageWordMeaning
1Tagalogpusoheart; heart or blossom of a banana; ear of corn
2Proto-Malayo-Polynesian*pusuq
Every word from Proto-Austronesian *batux