Where does “kädenpuristus” come from?

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

kädenpuristus (Finnish): handshake

Definitions

handshake

Ancestry of “kädenpuristus”, step by step

kädenpuristus traces back through two separate lines of ancestry.

via Finnish käsi

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

via Finnish puristus

Step	Language	Word	Meaning
1	Finnish	puristus	press, squeeze
2	Finnish	-us	Forms nouns from verbs, describing an action or...
3	Proto-Finnic	-us	Forms some nouns from nominal stems

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