Where does “mustaruostepyrstö” come from?

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

mustaruostepyrstö (Finnish): black scrub robin, Cercotrichas podobe

Definitions

  1. black scrub robin, Cercotrichas podobe

Ancestry of “mustaruostepyrstö”, step by step

mustaruostepyrstö traces back through two separate lines of ancestry.

via Finnish ruostepyrstö

StepLanguageWordMeaning
1Finnishruostepyrstörufous bush robin, "Cercotrichas galactotes"
2Finnishruosterust; rusty; inessive case is sometimes better...
3Proto-Finnicroostekrust
4Proto-Germanicrustazrust
5Proto-Indo-Europeanrudʰso-red
6Proto-Indo-Europeanh₁rewdʰ-red

via Finnish musta

StepLanguageWordMeaning
1Finnishmustablack; black horse; Elative singular form of...
2Finnish-ntääFront vowel variant of -ntaa
Every word from Proto-Indo-European h₁rewdʰ- →Every word from Proto-Indo-European rudʰso- →Every word from Proto-Germanic rustaz →