Where does “laatueroasteikko” come from?

laatueroasteikko (Finnish) comes from Finnish laatuero, from Finnish ero, from Finnish -o, from Proto-Finnic -o, from Proto-Uralic -w.

Ancestry of “laatueroasteikko”, step by step

laatueroasteikko traces back through two separate lines of ancestry.

via Finnish laatuero

StepLanguageWordMeaning
1Finnishlaatuerodifference in kind; difference in quality
2Finnisherodifference, distinction; Short for avioero;...
3Finnish-oForms result or action nouns from verbs; Forms...
4Proto-Finnic-oForms action/result nouns from verbs
5Proto-Uralic-w

via Finnish asteikko

StepLanguageWordMeaning
1Finnishasteikkoscale
2Finnish-ikkoForms nouns for groups of a particular number,...
3Proto-Finnic-ikkoForms nouns indicating a group of things
4Proto-Finnic-i-Plural number marker in other cases than the nominative (and optionally the genitive)
Every word from Proto-Uralic -wEvery word from Finnish -oEvery word from Proto-Finnic -o