Where does “Wirtanen” come from?

Wirtanen (Finnish) comes from Finnish Virtanen, from Finnish virta, from Proto-Finnic virta, from Proto-Slavic vьrtъ — turn, enclosure.

Ancestry of “Wirtanen”, step by step

StepLanguageWordMeaning
1FinnishVirtanen—
2Finnishvirtaflow, stream; river; current
3Proto-Finnicvirtastream; flow, current
4Proto-Slavicvьrtъturn, enclosure
Every word from Proto-Slavic vьrtъ →Every word from Proto-Finnic virta →Every word from Finnish virta →