Where does “kohdehäiriö” come from?

kohdehäiriö (Finnish) comes from Finnish häiriö, from Finnish häiritä, from Proto-Finnic häirit'äk, from Proto-Germanic sairijaną, from Proto-Germanic sairą, from Proto-Germanic sairaz, from Proto-Indo-European seh₂yro-, from Proto-Indo-European seh₂y- — to bind; to be fierce, afflict; to tie, bind.

Ancestry of “kohdehäiriö”, step by step

kohdehäiriö traces back through two separate lines of ancestry.

via Finnish häiriö

StepLanguageWordMeaning
1Finnishhäiriödisorder, trouble; interference, disturbance,...
2Finnishhäiritäto disturb, bother, bug; to disrupt
3Proto-Finnichäirit'äk
4Proto-Germanicsairijanąto wound, to make hurt
5Proto-Germanicsairąwound; sore
6Proto-Germanicsairazsore, painful
7Proto-Indo-Europeanseh₂yro-
8Proto-Indo-Europeanseh₂y-to bind; to be fierce, afflict; to tie, bind

via Finnish kohde

StepLanguageWordMeaning
1Finnishkohdetarget; bogey; attraction, sight
2Finnishkohdatato meet with, encounter; to undergo, experience,...
3Finnish-taA suffix for the partitive singular case; Forms...
4Proto-Finnic-taPartitive ending
5Proto-Uralic-täfrom
Every word from Proto-Indo-European seh₂y-Every word from Proto-Indo-European seh₂yro-Every word from Proto-Germanic sairaz