Where does “porrastaminen” come from?

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

Ancestry of “porrastaminen”, step by step

StepLanguageWordMeaning
1FinnishporrastaaTo step, terrace; To scale, grade
2Finnishporrasstep, stair
3Proto-Finnicpordasstair, step
4Proto-Germanicbordaz—
5Proto-Germanicburdąboard, plank; table
6Proto-Indo-Europeanbʰers-top, tip, point
Every word from Proto-Indo-European bʰers- →Every word from Proto-Germanic burdą →Every word from Proto-Germanic bordaz →