Where does “jäälautailu” come from?

jäälautailu (Finnish) comes from Finnish lautailu, from Finnish lautailla, from Finnish lauta, from Proto-Finnic lauta, from Proto-Baltic *plauˀtá, from Proto-Indo-European plew- — to fly, flow, run.

Ancestry of “jäälautailu”, step by step

jäälautailu traces back through two separate lines of ancestry.

via Finnish lautailu

StepLanguageWordMeaning
1Finnishlautailuany hobby or sport where one uses a board; skateboarding, surfboarding, snowboarding, etc. often depends on context
2Finnishlautaillato skateboard
3FinnishlautaA board; An element in many compound words, where...
4Proto-Finniclautaboard, plank; table
5Proto-Baltic*plauˀtá
6Proto-Indo-Europeanplew-to fly, flow, run

via Finnish jää

StepLanguageWordMeaning
1Finnishjääice; rock; in the expression on the rocks =...
2Proto-Finnicjääice
3Proto-Uralicjäŋeice
Every word from Proto-Indo-European plew-Every word from Proto-Baltic *plauˀtáEvery word from Proto-Finnic lauta