Where does “rantatörmä” come from?

rantatörmä (Finnish) comes from Finnish Ranta, from Finnish ranta, from Proto-Finnic ranta, from Proto-Germanic strandō, from Proto-Indo-European (s)trAnt-, from Proto-Indo-European sterh₃-, from Proto-Indo-European ster- — sterile, infertile.

Ancestry of “rantatörmä”, step by step

rantatörmä traces back through two separate lines of ancestry.

via Finnish Ranta

StepLanguageWordMeaning
1FinnishRantaAny of a number of small places in Finland
2Finnishrantashore; beach; bank
3Proto-Finnicrantashore, coast
4Proto-Germanicstrandōedge; rim; shore, strand
5Proto-Indo-European(s)trAnt-strand, border, field
6Proto-Indo-Europeansterh₃-to spread, extend, stretch out
7Proto-Indo-Europeanster-sterile, infertile

via Finnish törmä

StepLanguageWordMeaning
1FinnishtörmäA steep embankment of earth; A relatively high...
2Proto-Finnictermästeep bank (edge of river or lake)
Every word from Proto-Indo-European ster- →Every word from Proto-Indo-European sterh₃- →Every word from Proto-Indo-European (s)trAnt- →