Where does “Katagalugan” come from?

Katagalugan (Tagalog) comes from Tagalog Tagalog, from Tagalog ilog, from Proto-Philippine *iluʀ, from Proto-Malayo-Polynesian *iluʀ, from Proto-Austronesian *iluʀ — river channel.

Katagalugan (Tagalog): the Tagalog homeland; the Tagalog nation

Definitions

  1. the Tagalog homeland; the Tagalog nation

Ancestry of “Katagalugan”, step by step

Katagalugan traces back through two separate lines of ancestry.

via Tagalog Tagalog

StepLanguageWordMeaning
1TagalogTagalogThe Tagalog language; To speak in the Tagalog...
2Tagalogilogriver
3Proto-Philippine*iluʀriver
4Proto-Malayo-Polynesian*iluʀriver
5Proto-Austronesian*iluʀriver channel

via Tagalog ka- -an

StepLanguageWordMeaning
1Tagalogka- -anused to form abstract nouns
2Proto-Austronesian*ka- -an—
Every word from Proto-Austronesian *iluʀ →Every word from Proto-Malayo-Polynesian *iluʀ →Every word from Proto-Philippine *iluʀ →