Where does “Shahjahanpur” come from?

Shahjahanpur (English) comes from Hindi शाहजहाँपुर, from Hindi शाह, from Arabic شَاه, from Persian شاه, from Middle Persian 𐭬𐭫𐭪𐭠, from Old Persian 𐏋, from Proto-Iranian xšáyati, from Proto-Indo-Iranian kšáyati — to sire, beget.

Ancestry of “Shahjahanpur”, step by step

StepLanguageWordMeaning
1Hindiशाहजहाँपुर
2Hindiशाहking; shah
3Arabicشَاهking in chess; king; king or check at chess, shah
4Persianشاهking; shah; king; Something that is the biggest...
5Middle Persian𐭬𐭫𐭪𐭠king
6Old Persian𐏋king
7Proto-Iranianxšáyati
8Proto-Indo-Iraniankšáyatihe rules, he has power over
9Proto-Indo-Europeanteḱ-to sire, beget
Every word from Proto-Indo-European teḱ-Every word from Proto-Indo-Iranian kšáyatiEvery word from Proto-Iranian xšáyati