Where does “ruostekerros” come from?

ruostekerros (Finnish) comes from Finnish kerros, from Finnish kerrata, from Finnish kerta, from Proto-Finnic kerta, from Proto-Indo-European kert-, from Proto-Turkic *keŕ- — to travel, tour.

ruostekerros (Finnish): layer of rust

Definitions

  1. layer of rust

Ancestry of “ruostekerros”, step by step

ruostekerros traces back through two separate lines of ancestry.

via Finnish kerros

StepLanguageWordMeaning
1Finnishkerrosfloor, storey; layer; Second-person singular...
2FinnishkerrataTo repeat or reread
3Finnishkertatime, occasion; time; times; also once, when the...
4Proto-Finnickertatime
5Proto-Indo-Europeankert-times; to weave, twist together; time
6Proto-Turkic*keŕ-to travel, tour

via Finnish ruoste

StepLanguageWordMeaning
1Finnishruosterust; rusty; inessive case is sometimes better...
2Proto-Finnicroostekrust
3Proto-Germanicrustazrust
4Proto-Indo-Europeanrudʰso-red
5Proto-Indo-Europeanh₁rewdʰ-red
Every word from Proto-Turkic *keŕ-Every word from Proto-Indo-European kert-Every word from Proto-Finnic kerta