Where does “potthiā” come from?

potthiā (Ashokan Prakrit) comes from Sanskrit पुस्तिका, from Sanskrit पुस्तक, from Proto-Indo-Aryan pōstaka.

Ancestry of “potthiā”, step by step

StepLanguageWordMeaning
1Sanskritपुस्तिका
2Sanskritपुस्तकa protuberant ornament, boss; book, manuscript,...
3Proto-Indo-Aryanpōstaka

Words derived from “potthiā

Every word from Proto-Indo-Aryan pōstakaEvery word from Sanskrit पुस्तकEvery word from Sanskrit पुस्तिका