Where does “एक-दूसरे” come from?

एक-दूसरे (Hindi) comes from Hindi एक, from Old Hindi एक, from Sauraseni Apabhramsa एक्क, from Sauraseni Prakrit 𑀏𑀓𑁆𑀓, from Ashokan Prakrit 𑀏𑀓, from Sanskrit एक, from Proto-Indo-Aryan Háykas, from Proto-Indo-Iranian Háykas — one; single.

एक-दूसरे (Hindi): one another, each other

Definitions

  1. one another, each other

Ancestry of “एक-दूसरे”, step by step

एक-दूसरे traces back through two separate lines of ancestry.

via Hindi एक

StepLanguageWordMeaning
1Hindiएकone; 1; sole, only
2Old Hindiएकone
3Sauraseni Apabhramsaएक्कone
4Sauraseni Prakrit𑀏𑀓𑁆𑀓one
5Ashokan Prakrit𑀏𑀓one
6Sanskritएकone; alone, solitary, single, happening only...
7Proto-Indo-AryanHáykasone
8Proto-Indo-IranianHáykasone
9Proto-Indo-Europeanóynosone; single

via Hindi दूसरे

StepLanguageWordMeaning
1Hindiदूसरे
Every word from Proto-Indo-European óynosEvery word from Proto-Indo-Iranian HáykasEvery word from Proto-Indo-Aryan Háykas