Where does “సియోల్” come from?

సియోల్ (Telugu) comes from English Seoul, from Korean 서울, from Old Korean 徐羅伐.

Ancestry of “సియోల్”, step by step

Step	Language	Word	Meaning
1	English	Seoul	—
2	Korean	서울	capital; large city
3	Old Korean	徐羅伐	—

సియోల్ — Etymology, Origin & Word History | Etymology Explorer