Where does “sumar” come from?

sumar (Old Dutch) comes from Proto-Germanic sumaraz, from Proto-Indo-European sm̥m-aro-, from Proto-Indo-European sm̥-h₂-ó-, from Proto-Indo-European semh₂- — summer, year.

Ancestry of “sumar”, step by step

StepLanguageWordMeaning
1Proto-Germanicsumarazsummer
2Proto-Indo-Europeansm̥m-aro-—
3Proto-Indo-Europeansm̥-h₂-ó-—
4Proto-Indo-Europeansemh₂-summer, year

Words derived from “sumar”

Every word from Proto-Indo-European semh₂- →Every word from Proto-Indo-European sm̥-h₂-ó- →Every word from Proto-Indo-European sm̥m-aro- →