Where does “उत्तरकाशी” come from?

उत्तरकाशी (Hindi) comes from Hindi उत्तर, from Sanskrit उत्तर, from Proto-Indo-Iranian útˢtaras, from Proto-Indo-European údteros, from Proto-Indo-European úd — out, outward.

Ancestry of “उत्तरकाशी”, step by step

उत्तरकाशी traces back through two separate lines of ancestry.

via Hindi उत्तर

StepLanguageWordMeaning
1Hindiउत्तरreply, answer; north; north, northern
2Sanskritउत्तरupper, higher, superior; better; later,...
3Proto-Indo-Iranianútˢtaras
4Proto-Indo-Europeanúdteroshigher, outer
5Proto-Indo-Europeanúdout, outward

via Hindi काशी

StepLanguageWordMeaning
1HindiकाशीKashi, a name for Varanasi
Every word from Proto-Indo-European údEvery word from Proto-Indo-European údterosEvery word from Proto-Indo-Iranian útˢtaras