Where does “sm-ih₂” come from?

sm-ih₂ (Proto-Indo-European) comes from Proto-Indo-European sḗm, from Proto-Indo-European sem- — together, one.

Ancestry of “sm-ih₂”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeansḗmone
2Proto-Indo-Europeansem-together, one
Every word from Proto-Indo-European sem- →Every word from Proto-Indo-European sḗm →