Where does “sarastusvalo” come from?

sarastusvalo (Finnish) comes from Finnish valo, from Proto-Finnic valo, from Proto-Finno-Ugric waĺɜ.

Ancestry of “sarastusvalo”, step by step

sarastusvalo traces back through two separate lines of ancestry.

via Finnish valo

StepLanguageWordMeaning
1Finnishvalolight
2Proto-Finnicvalolight visible radiation
3Proto-Finno-Ugricwaĺɜ—

via Finnish sarastus

StepLanguageWordMeaning
1Finnishsarastusdawning; dawn, daybreak
2Finnishus-ing
Every word from Proto-Finno-Ugric waĺɜ →Every word from Proto-Finnic valo →Every word from Finnish valo →
sarastusvalo — Etymology, Origin & Word History | Etymology Explorer