Where does “patos-kahoy” come from?

patos-kahoy (Tagalog) comes from Tagalog kahoy, from Proto-Philippine kahiw, from Proto-Malayo-Polynesian kahiw, from Proto-Austronesian kaSiw — wood; tree.

Ancestry of “patos-kahoy”, step by step

patos-kahoy traces back through two separate lines of ancestry.

via Tagalog kahoy

StepLanguageWordMeaning
1Tagalogkahoywood; lumber; wooden
2Proto-Philippinekahiwwood; tree
3Proto-Malayo-Polynesiankahiwwood; tree
4Proto-AustronesiankaSiwwood; tree

via Tagalog patos

StepLanguageWordMeaning
1Tagalogpatoshorseshoe
2Spanishzapatosplural of zapato; shoes
Every word from Proto-Austronesian kaSiw