Where does “perunakiusaus” come from?

perunakiusaus (Finnish) comes from Finnish peruna, from Swedish jordpäron, from Swedish jord, from Old Swedish iorþ, from Old Norse jǫrð, from Proto-Germanic erþō, from Proto-Indo-European h₁er- — earth.

Ancestry of “perunakiusaus”, step by step

perunakiusaus traces back through two separate lines of ancestry.

via Finnish peruna

StepLanguageWordMeaning
1Finnishperunapotato, "Solanum tuberosum"
2Swedishjordpäronpotato
3Swedishjordearth, soil; a rock- or sand-based unconsolidated...
4Old Swedishiorþearth, land
5Old Norsejǫrðearth
6Proto-Germanicerþōearth
7Proto-Indo-Europeanh₁er-earth

via Finnish kiusaus

StepLanguageWordMeaning
1Finnishkiusaustemptation; frestelse
2Finnishkiusatato bully, pick on
3Proto-Finnickiusat'akto tease
4Proto-Germanickeusanąto test, to try; to choose
5Proto-Indo-Europeanǵews-to taste, try
Every word from Proto-Indo-European h₁er- →Every word from Proto-Germanic erþō →Every word from Old Norse jǫrð →