Where does “pustaka” come from?

pustaka (Old Javanese) comes from Sanskrit पुस्तक, from Proto-Indo-Aryan pōstaka.

Ancestry of “pustaka”, step by step

StepLanguageWordMeaning
1Sanskritपुस्तकa protuberant ornament, boss; book, manuscript,...
2Proto-Indo-Aryanpōstaka

Words derived from “pustaka

Every word from Proto-Indo-Aryan pōstakaEvery word from Sanskrit पुस्तक