Where does “hiirenporras” come from?

hiirenporras (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.

hiirenporras (Finnish): lady fern, Athyrium filix-femina species of fern, native throughout the temperate Northern Hemisphere

Definitions

  1. lady fern, Athyrium filix-femina species of fern, native throughout the temperate Northern Hemisphere

Ancestry of “hiirenporras”, step by step

hiirenporras 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 hiiri

StepLanguageWordMeaning
1FinnishhiiriA mouse, used rather indiscriminately for a...
2Proto-Finnichiirimouse
3Proto-Uralicšiŋeremouse

Words derived from “hiirenporras

Every word from Proto-Indo-European bʰers-Every word from Proto-Germanic burdąEvery word from Proto-Germanic bordaz