Where does “leveälatvuksinen” come from?

leveälatvuksinen (Finnish) comes from Finnish latvus, from Finnish -us, from Proto-Finnic -us — Forms some nouns from nominal stems.

Ancestry of “leveälatvuksinen”, step by step

leveälatvuksinen traces back through two separate lines of ancestry.

via Finnish latvus

StepLanguageWordMeaning
1Finnishlatvuscrown of a tree
2Finnish-usForms nouns from verbs, describing an action or...
3Proto-Finnic-usForms some nouns from nominal stems

via Finnish leveä

StepLanguageWordMeaning
1Finnishleveäwide
2Proto-Finniclevedäwide
Every word from Proto-Finnic -us →Every word from Finnish -us →Every word from Finnish latvus →