Where does “ซูดาน” come from?

ซูดาน (Thai) comes from English Sudan, from Arabic سُودَان, from Arabic السُّودَان.

Ancestry of “ซูดาน”, step by step

StepLanguageWordMeaning
1EnglishSudanA climatic zone characterized by savannas and mosaic forests running in a belt just south of the Sahel in West and East Africa
2Arabicسُودَانblack people
3Arabicالسُّودَان—
Every word from Arabic السُّودَان →Every word from Arabic سُودَان →Every word from English Sudan →