Where does “*sum” come from?

*sum (Proto-Germanic) comes from Proto-Germanic sumaz, from Proto-Indo-European sem- — together, one.

Ancestry of “*sum”, step by step

StepLanguageWordMeaning
1Proto-Germanicsumazsome (one), a certain (one)
2Proto-Indo-Europeansem-together, one

Words derived from “*sum”

Every word from Proto-Indo-European sem- →Every word from Proto-Germanic sumaz →