Where does “บอร์เนียว” come from?

บอร์เนียว (Thai) comes from English Borneo, from Portuguese Borneo, from Sanskrit वरुणद्वीप — island of Varuna.

Ancestry of “บอร์เนียว”, step by step

StepLanguageWordMeaning
1EnglishBorneoA Pacific island shared by Brunei, Indonesia, and Malaysia; the world’s third largest island
2PortugueseBorneo—
3Sanskritवरुणद्वीपisland of Varuna
Every word from Sanskrit वरुणद्वीप →Every word from Portuguese Borneo →Every word from English Borneo →
บอร์เนียว — Etymology, Origin & Word History | Etymology Explorer