Where does “katkaisulaikka” come from?

katkaisulaikka (Finnish) comes from Finnish katkaisu, from Finnish -u, from Proto-Finnic -u — Forms nouns from adjectives, nouns.

katkaisulaikka (Finnish): cutting disc

Definitions

  1. cutting disc

Ancestry of “katkaisulaikka”, step by step

katkaisulaikka traces back through two separate lines of ancestry.

via Finnish katkaisu

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

via Finnish läikkä

StepLanguageWordMeaning
1Finnishläikkäspot, splotch
Every word from Proto-Finnic -u →Every word from Finnish -u →Every word from Finnish katkaisu →