Where does “selkäsaha” come from?

selkäsaha (Finnish) comes from Finnish saha, from Old Swedish sagh, from Old Norse sǫg, from Proto-Germanic sagō, from Proto-Indo-European sek- — to cut, cut off, sever.

selkäsaha (Finnish): backsaw

Definitions

  1. backsaw

Ancestry of “selkäsaha”, step by step

selkäsaha traces back through two separate lines of ancestry.

via Finnish saha

StepLanguageWordMeaning
1Finnishsahasaw; sawmill; musical saw
2Old Swedishsaghsaw
3Old Norsesǫgsaw
4Proto-Germanicsagōsaw
5Proto-Indo-Europeansek-to cut, cut off, sever

via Finnish selkä

StepLanguageWordMeaning
1Finnishselkäback; ridge, spine; watershed area
2Proto-Finnicselkäback; ridge
3Proto-Finno-Permicśelkä—
Every word from Proto-Indo-European sek- →Every word from Proto-Germanic sagō →Every word from Old Norse sǫg →