Where does “hm” come from?

hm (Pahlavi) comes 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.

Ancestry of “hm”, step by step

StepLanguageWordMeaning
1Old Persian𐏃𐎶same, together
2Proto-IranianhamHás—
3Proto-Indo-IraniansamHássame, equal
4Proto-Indo-EuropeansomHóssame, alike
5Proto-Indo-Europeansem-together, one

Words derived from “hm”

Every word from Proto-Indo-European sem- →Every word from Proto-Indo-European somHós →Every word from Proto-Indo-Iranian samHás →