Where does “perunakuoriainen” come from?

perunakuoriainen (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 “perunakuoriainen”, step by step

perunakuoriainen 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 kuoriainen

StepLanguageWordMeaning
1Finnishkuoriainenbeetle; croustade
2Finnishkuoriskin; peel; shale
3Old Swedishkor
4Old Norsekórr
5Latinchoruschorus (all forms); a performance with dancing and singing; a troop or band of dancers and singers; performers
6Ancient Greekχορόςdance ring, round dance; dance accompanied by...
7Proto-Indo-Europeanǵʰer-to yearn for; to enclose; bowels, intestines
Every word from Proto-Indo-European h₁er-Every word from Proto-Germanic erþōEvery word from Old Norse jǫrð