Where does “tasaruostekirppa” come from?

tasaruostekirppa (Finnish) comes from Finnish ruostekirppa, from Finnish ruoste, from Proto-Finnic roostek, from Proto-Germanic rustaz, from Proto-Indo-European rudʰso-, from Proto-Indo-European h₁rewdʰ- — red.

tasaruostekirppa (Finnish): wheat flea beetle, European rusted flea beetle, Neocrepidodera ferruginea, also Crepidodera ferruginea

Definitions

  1. wheat flea beetle, European rusted flea beetle, Neocrepidodera ferruginea, also Crepidodera ferruginea

Ancestry of “tasaruostekirppa”, step by step

tasaruostekirppa traces back through two separate lines of ancestry.

via Finnish ruostekirppa

StepLanguageWordMeaning
1FinnishruostekirppaA flea beetle of the genus Neocrepidodera
2Finnishruosterust; rusty; inessive case is sometimes better...
3Proto-Finnicroostekrust
4Proto-Germanicrustazrust
5Proto-Indo-Europeanrudʰso-red
6Proto-Indo-Europeanh₁rewdʰ-red

via Finnish tasa

StepLanguageWordMeaning
1Finnishtasaof equal height; of the same level
2Proto-Finnictasaeven
3Proto-Uralictaśaeven
Every word from Proto-Indo-European h₁rewdʰ- →Every word from Proto-Indo-European rudʰso- →Every word from Proto-Germanic rustaz →