Where does “rautayrtti” come from?

rautayrtti (Finnish) comes from Finnish yrtti, from Old Swedish yrt, from Old Norse urt, from Proto-Germanic wurt-, from Proto-Germanic wrōts, from Proto-Indo-European wréh₂ds — root.

Ancestry of “rautayrtti”, step by step

rautayrtti traces back through two separate lines of ancestry.

via Finnish yrtti

StepLanguageWordMeaning
1Finnishyrttiherb
2Old Swedishyrt
3Old Norseurt
4Proto-Germanicwurt-oblique stem of *wrōts
5Proto-Germanicwrōtsroot
6Proto-Indo-Europeanwréh₂dsroot

via Finnish rauta

StepLanguageWordMeaning
1Finnishrautairon; shackles, irons; act of getting or state of...
2Proto-Finnicrautairon
Every word from Proto-Indo-European wréh₂dsEvery word from Proto-Germanic wrōtsEvery word from Proto-Germanic wurt-