Where does “Sundas” come from?

Sundas (English) comes from English Sunda, from Indonesian Pasundan, from Sundanese Sunda, from Sanskrit सु-, from Proto-Indo-Aryan Hsu-, from Proto-Indo-Iranian Hsu-, from Proto-Indo-European h₁su-, from Proto-Indo-European h₁wes- — good; to be cheerful, happy; to eat, to feast.

Sundas (English): The Sunda Islands, an archipelago in Indonesia, commonly split into the Greater Sundas and the Lesser Sundas

Definitions

  1. The Sunda Islands, an archipelago in Indonesia, commonly split into the Greater Sundas and the Lesser Sundas

Ancestry of “Sundas”, step by step

Sundas traces back through two separate lines of ancestry.

via English Sunda

StepLanguageWordMeaning
1EnglishSundaSunda Islands, a group of islands in the western part of the Malay archipelago
2IndonesianPasundanWest Java
3SundaneseSundaSunda all senses relating to regions of Southeast Asia
4Sanskritसु-good, well
5Proto-Indo-AryanHsu-
6Proto-Indo-IranianHsu-good
7Proto-Indo-Europeanh₁su-good
8Proto-Indo-Europeanh₁wes-good; to be cheerful, happy; to eat, to feast

via English S

StepLanguageWordMeaning
1EnglishSThe ordinal number nineteenth, derived from this...
Every word from Proto-Indo-European h₁wes-