Where does “reunusnauha” come from?

reunusnauha (Finnish) comes from Finnish reunus, from Finnish reuna, from Proto-Finnic reuna — edge.

Ancestry of “reunusnauha”, step by step

reunusnauha traces back through two separate lines of ancestry.

via Finnish reunus

StepLanguageWordMeaning
1Finnishreunusskirt, edge, border, curb; bordure
2Finnishreunarim; brink, edge, border; boundary
3Proto-Finnicreunaedge

via Finnish nauha

StepLanguageWordMeaning
1Finnishnauharibbon, band, string; lace, shoelace; tape
2Proto-Finnicnauharibbon, band
Every word from Proto-Finnic reuna →Every word from Finnish reuna →Every word from Finnish reunus →