Where does “erityisherkkä” come from?

erityisherkkä (Finnish) comes from Finnish erityinen, from Finnish eri, from Proto-Finno-Ugric *erei, from Proto-Indo-European er- — eagle, bird; loose, light, rare, sparse; to fail,...

erityisherkkä (Finnish): highly sensitive, hypersensitive

Definitions

highly sensitive, hypersensitive

Ancestry of “erityisherkkä”, step by step

erityisherkkä traces back through two separate lines of ancestry.

via Finnish erityinen

Step	Language	Word	Meaning
1	Finnish	erityinen	special; specific
2	Finnish	eri	different, other, another; different, separate;...
3	Proto-Finno-Ugric	*erei	—
4	Proto-Indo-European	er-	eagle, bird; loose, light, rare, sparse; to fail,...

via Finnish herkkä

Step	Language	Word	Meaning
1	Finnish	herkkä	delicate, vulnerable; physically sensitive,...
2	Proto-Finnic	herkkä	sensitive, delicate

Every word from Proto-Indo-European er- →Every word from Proto-Finno-Ugric *erei →Every word from Finnish eri →