Where does “ยะโฮร์” come from?

ยะโฮร์ (Thai) comes from Malay Johor, from Arabic جَوْهَر, from Persian گوهر, from Middle Persian gwhl, from Old Persian gauθra.

Ancestry of “ยะโฮร์”, step by step

StepLanguageWordMeaning
1MalayJohorJohor state in Malaysia
2Arabicجَوْهَرgem, jewel; jewel, pearl; jewels
3Persianگوهرjewel; gem; pearl
4Middle Persiangwhlsubstance, essence, nature; jewel; stock, lineage
5Old Persiangauθra—
Every word from Old Persian gauθra →Every word from Middle Persian gwhl →Every word from Persian گوهر →