Where does “vilkkuvalo” come from?

vilkkuvalo (Finnish) comes from Finnish vilkku, from Finnish -u, from Proto-Finnic -u — Forms nouns from adjectives, nouns.

vilkkuvalo (Finnish): flasher, flashing light

Definitions

  1. flasher, flashing light

Ancestry of “vilkkuvalo”, step by step

vilkkuvalo traces back through two separate lines of ancestry.

via Finnish vilkku

StepLanguageWordMeaning
1Finnishvilkkublinker; turn signal
2Finnish-uForms nouns from verbs. Most common with "e"- and...
3Proto-Finnic-uForms nouns from adjectives, nouns

via Finnish valo

StepLanguageWordMeaning
1Finnishvalolight
2Proto-Finnicvalolight visible radiation
3Proto-Finno-Ugricwaĺɜ—
Every word from Proto-Finnic -u →Every word from Finnish -u →Every word from Finnish vilkku →