Where does “käsialatutkimus” come from?

käsialatutkimus (Finnish) comes from Finnish käsiala, from Finnish käsi, from Finnish kahdeksan, from Proto-Finnic kakteksa, from Proto-Finnic kakci, from Proto-Uralic *kakta.

käsialatutkimus (Finnish): graphology, study of handwriting

Definitions

graphology, study of handwriting

Ancestry of “käsialatutkimus”, step by step

käsialatutkimus traces back through two separate lines of ancestry.

via Finnish käsiala

Step	Language	Word	Meaning
1	Finnish	käsiala	handwriting
2	Finnish	käsi	hand; arm
3	Finnish	kahdeksan	eight
4	Proto-Finnic	kakteksa	eight
5	Proto-Finnic	kakci	two
6	Proto-Uralic	*kakta	—

via Finnish tutkimus

Step	Language	Word	Meaning
1	Finnish	tutkimus	research; examination; investigation
2	Finnish	tutkia	to examine, investigate; to research; Partitive...
3	Finnish	-ia	Forms primarily transitive verbs describing...
4	Proto-Finnic	-idak	applicative suffix
5	Proto-Uralic	-j-	—

Every word from Proto-Uralic *kakta →Every word from Proto-Finnic kakci →Every word from Proto-Finnic kakteksa →