Where does “sm̥m-oro-” come from?

sm̥m-oro- (Proto-Indo-European) comes from Proto-Indo-European sm̥-h₂-ó-, from Proto-Indo-European semh₂- — summer, year.

Ancestry of “sm̥m-oro-”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeansm̥-h₂-ó-—
2Proto-Indo-Europeansemh₂-summer, year
Every word from Proto-Indo-European semh₂- →Every word from Proto-Indo-European sm̥-h₂-ó- →