Where does “tapausrikas” come from?

tapausrikas (Finnish) comes from Finnish tapaus, from Finnish tavata, from Swedish stava, from Swedish stav, from Old Swedish staver, from Old Norse stafr, from Proto-Norse ᛋᛏᚼᛒᚼ, from Proto-Germanic stabaz — to stand still; to harden.

Ancestry of “tapausrikas”, step by step

tapausrikas traces back through two separate lines of ancestry.

via Finnish tapaus

StepLanguageWordMeaning
1Finnishtapausevent, incident, occurrence, occasion; case,...
2Finnishtavatato meet; to meet up; to find, to catch
3Swedishstavato spell; to write the individual letters of a...
4Swedishstava staff, a rod; a letter
5Old Swedishstaverstaff, cane
6Old Norsestafrstaff
7Proto-Norseᛋᛏᚼᛒᚼ
8Proto-Germanicstabazstaff, stick
9Proto-Indo-Europeanstebʰ-to stand still; to harden

via Finnish rikas

StepLanguageWordMeaning
1Finnishrikasrich; wealthy; opulent
2Proto-Finnicrik'asrich, wealthy
3Proto-Germanicrīkijazkingly, royal, noble; mighty, powerful; rich
4Proto-Germanicrīksking, ruler
5Proto-Celticrīxsking
6Proto-Indo-Europeanh₃rḗǵsking, ruler
7Proto-Indo-Europeanh₃reǵ-to straighten, to right oneself; right; just
Every word from Proto-Indo-European stebʰ-Every word from Proto-Germanic stabazEvery word from Proto-Norse ᛋᛏᚼᛒᚼ