Where does “ruostekerrostuma” come from?

ruostekerrostuma (Finnish) comes from Finnish kerrostuma, from Finnish kerrostua, from Finnish kerrostaa, from Finnish kerros, from Finnish kerrata, from Finnish kerta, from Proto-Finnic kerta, from Proto-Indo-European kert- — to travel, tour.

ruostekerrostuma (Finnish): rust layer, rust deposit

Definitions

  1. rust layer, rust deposit

Ancestry of “ruostekerrostuma”, step by step

ruostekerrostuma traces back through two separate lines of ancestry.

via Finnish kerrostuma

StepLanguageWordMeaning
1Finnishkerrostumalayer, stratum
2FinnishkerrostuaTo be stratified
3Finnishkerrostaato overlay, stratify; to sandwich
4Finnishkerrosfloor, storey; layer; Second-person singular...
5FinnishkerrataTo repeat or reread
6Finnishkertatime, occasion; time; times; also once, when the...
7Proto-Finnickertatime
8Proto-Indo-Europeankert-times; to weave, twist together; time
9Proto-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