Where does “sommige” come from?

sommige (Afrikaans) comes from Dutch sommige, from Middle Dutch sommich, from Middle Dutch som, from Old Dutch sum, from Proto-West Germanic *sum, from Proto-Germanic sumaz, from Proto-Indo-European sem- — together, one.

sommige (Afrikaans): some

Definitions

some

Ancestry of “sommige”, step by step

Step	Language	Word	Meaning
1	Dutch	sommige	some
2	Middle Dutch	sommich	—
3	Middle Dutch	som	some
4	Old Dutch	sum	any, some
5	Proto-West Germanic	*sum	some
6	Proto-Germanic	sumaz	some (one), a certain (one)
7	Proto-Indo-European	sem-	together, one

Every word from Proto-Indo-European sem- →Every word from Proto-Germanic sumaz →Every word from Proto-West Germanic *sum →