Where does “peukalonhanka” come from?

peukalonhanka (Finnish) comes from Finnish hanka, from Proto-Finnic hanka, from Proto-Uralic šaŋka — branch.

Ancestry of “peukalonhanka”, step by step

peukalonhanka traces back through two separate lines of ancestry.

via Finnish hanka

StepLanguageWordMeaning
1Finnishhankafork; Synonym of hankain
2Proto-Finnichankafork of a branch
3Proto-Uralicšaŋkabranch

via Finnish peukalo

StepLanguageWordMeaning
1Finnishpeukalothumb
Every word from Proto-Uralic šaŋka →Every word from Proto-Finnic hanka →Every word from Finnish hanka →
peukalonhanka — Etymology, Origin & Word History | Etymology Explorer