Where does “yrttisampoo” come from?

yrttisampoo (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 “yrttisampoo”, step by step

yrttisampoo 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 sampoo

StepLanguageWordMeaning
1FinnishsampooAlternative spelling of shampoo; shampoo
Every word from Proto-Indo-European wréh₂dsEvery word from Proto-Germanic wrōtsEvery word from Proto-Germanic wurt-