Where does “undersökare” come from?

undersökare (Swedish) comes from Swedish undersöka, from Swedish söka, from Old Swedish sø̄kia, from Old Norse sǿkja, from Proto-Germanic sōkijaną, from Proto-Indo-European séh₂gyeti, from Proto-Indo-European seh₂g- — to seek out.

Ancestry of “undersökare”, step by step

StepLanguageWordMeaning
1Swedishundersökato investigate, to examine, to explore, to survey
2Swedishsökato search
3Old Swedishsø̄kiato seek
4Old Norsesǿkjato seek, look for, search
5Proto-Germanicsōkijanąto seek, look for
6Proto-Indo-Europeanséh₂gyetito give a sign
7Proto-Indo-Europeanseh₂g-to seek out
Every word from Proto-Indo-European seh₂g- →Every word from Proto-Indo-European séh₂gyeti →Every word from Proto-Germanic sōkijaną →