Where does “peruna” come from?

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

peruna (Finnish): potato, "Solanum tuberosum"

Definitions

  1. potato, "Solanum tuberosum"

Ancestry of “peruna”, step by step

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

Words derived from “peruna

Every word from Proto-Indo-European h₁er-