Where does “rengasalue” come from?

rengasalue (Finnish) comes from Finnish rengas, from Proto-Finnic rengas, from Proto-Germanic hrengaz, from Proto-Germanic hringaz, from Proto-Indo-European (s)krengʰ-, from Proto-Indo-European (s)ker-, from Proto-Indo-European sek- — to cut, cut off, sever.

rengasalue (Finnish): annulus the region in a plane between two concentric circles of different radius

Definitions

  1. annulus the region in a plane between two concentric circles of different radius

Ancestry of “rengasalue”, step by step

rengasalue traces back through two separate lines of ancestry.

via Finnish rengas

StepLanguageWordMeaning
1Finnishrengasring, loop, hoop; tyre, tire; ring
2Proto-Finnicrengasring, hoop
3Proto-Germanichrengazring
4Proto-Germanichringazring, circle; curve; sound, ring
5Proto-Indo-European(s)krengʰ-to turn, bend
6Proto-Indo-European(s)ker-to cut off; to turn, bend
7Proto-Indo-Europeansek-to cut, cut off, sever

via Finnish alue

StepLanguageWordMeaning
1Finnishaluearea; region; oblast
2Proto-Austronesianqaluʀto flow
3Proto-Austronesian-luʀ—
Every word from Proto-Indo-European sek- →Every word from Proto-Indo-European (s)ker- →Every word from Proto-Indo-European (s)krengʰ- →