Where does “همدیگر” come from?

همدیگر (Persian) comes from Persian هم, from Middle Persian hm, from Old Persian 𐏃𐎶, from Proto-Iranian hamHás, from Proto-Indo-Iranian samHás, from Proto-Indo-European somHós, from Proto-Indo-European sem- — together, one.

همدیگر (Persian): each other, one another

Definitions

  1. each other, one another

Ancestry of “همدیگر”, step by step

همدیگر traces back through two separate lines of ancestry.

via Persian هم

StepLanguageWordMeaning
1Persianهمalso, too; similarly
2Middle Persianhmsame, similar
3Old Persian𐏃𐎶same, together
4Proto-IranianhamHás—
5Proto-Indo-IraniansamHássame, equal
6Proto-Indo-EuropeansomHóssame, alike
7Proto-Indo-Europeansem-together, one

via Persian دیگر

StepLanguageWordMeaning
1Persianدیگرother; another; no more
2Proto-Iraniandwitī́yakarahsecond, another; another time
3Proto-Iraniandwitī́yahsecond
4Proto-Indo-Iraniandwitī́yassecond
5Proto-Indo-Europeandwitíyos—
6Proto-Indo-Europeandwi-two; apart, asunder
7Proto-Indo-Europeandwóh₁two
Every word from Proto-Indo-European sem- →Every word from Proto-Indo-European somHós →Every word from Proto-Indo-Iranian samHás →