Where does “laiheta” come from?

laiheta (Finnish) comes from Finnish laiha, from Proto-Finnic laiha, from Proto-Finnic lajša, from Proto-Balto-Slavic laisa-.

Ancestry of “laiheta”, step by step

StepLanguageWordMeaning
1Finnishlaihalean; thin; slim
2Proto-Finniclaihalean, thin
3Proto-Finniclajša—
4Proto-Balto-Slaviclaisa-—
Every word from Proto-Balto-Slavic laisa- →Every word from Proto-Finnic lajša →Every word from Proto-Finnic laiha →
laiheta — Etymology, Origin & Word History | Etymology Explorer