Where does “porrasvalo” come from?

porrasvalo (Finnish) comes from Finnish porras, from Proto-Finnic pordas, from Proto-Germanic bordaz, from Proto-Germanic burdą, from Proto-Indo-European bʰers- — top, tip, point.

porrasvalo (Finnish): stair light

Definitions

  1. stair light

Ancestry of “porrasvalo”, step by step

porrasvalo traces back through two separate lines of ancestry.

via Finnish porras

StepLanguageWordMeaning
1Finnishporrasstep, stair
2Proto-Finnicpordasstair, step
3Proto-Germanicbordaz—
4Proto-Germanicburdąboard, plank; table
5Proto-Indo-Europeanbʰers-top, tip, point

via Finnish valo

StepLanguageWordMeaning
1Finnishvalolight
2Proto-Finnicvalolight visible radiation
3Proto-Finno-Ugricwaĺɜ—
Every word from Proto-Indo-European bʰers- →Every word from Proto-Germanic burdą →Every word from Proto-Germanic bordaz →