Where does “traverso” come from?

traverso (Finnish) comes from Italian traverso, from Latin transversus, from Proto-Italic *trānsworssos — transverse, across.

Ancestry of “traverso”, step by step

StepLanguageWordMeaning
1Italiantraversotransversal, transverse; oblique; width
2Latintransversusturned across, lying across, from side to side;...
3Proto-Italic*trānsworssostransverse, across
Every word from Proto-Italic *trānsworssos