Where does “saikuttaa” come from?

saikuttaa (Finnish) comes from Finnish saikku, from Finnish sairasloma, from Finnish sairas, from Proto-Finnic sairas, from Proto-Germanic sairaz, from Proto-Indo-European seh₂yro-, from Proto-Indo-European seh₂y- — to bind; to be fierce, afflict; to tie, bind.

saikuttaa (Finnish): To take or be on sick leave, especially an unnecessary one

Definitions

To take or be on sick leave, especially an unnecessary one

Ancestry of “saikuttaa”, step by step

Step	Language	Word	Meaning
1	Finnish	saikku	sick leave
2	Finnish	sairasloma	sick leave
3	Finnish	sairas	ill, sick; A sick person
4	Proto-Finnic	sairas	ill, sick
5	Proto-Germanic	sairaz	sore, painful
6	Proto-Indo-European	seh₂yro-	—
7	Proto-Indo-European	seh₂y-	to bind; to be fierce, afflict; to tie, bind

Every word from Proto-Indo-European seh₂y- →Every word from Proto-Indo-European seh₂yro- →Every word from Proto-Germanic sairaz →