Where does “kesetrum” come from?

kesetrum (Indonesian) comes from Indonesian setrum, from Dutch stroom, from Middle Dutch strôom, from Old Dutch strōm, from Proto-West Germanic straum, from Proto-Germanic straumaz, from Proto-Indo-European srowmos, from Proto-Indo-European srew- — to flow; to guard; to bind, to tie together.

Ancestry of “kesetrum”, step by step

kesetrum traces back through two separate lines of ancestry.

via Indonesian setrum

StepLanguageWordMeaning
1Indonesiansetrumelectrical current
2DutchstroomA flow, current or flush, as of moving water or...
3Middle DutchstrôomA stream
4Old Dutchstrōm
5Proto-West Germanicstraumstream
6Proto-Germanicstraumazstream, current, river
7Proto-Indo-Europeansrowmosriver
8Proto-Indo-Europeansrew-to flow, stream
9Proto-Indo-Europeanser-to flow; to guard; to bind, to tie together

via Indonesian ke

StepLanguageWordMeaning
1Indonesianketo
2Malaykeor; to
3Old Malayka
4Proto-Malayo-Polynesiankaif
5Proto-Austronesiankaif
Every word from Proto-Indo-European ser-