Where does “kiihkeäsanainen” come from?

kiihkeäsanainen (Finnish) comes from Finnish sanainen, from Finnish sana, from Finnish luokka, from Finnish luokki, from Proto-Slavic lǫkъ, from Proto-Balto-Slavic *lankás, from Proto-Indo-European lenk- — to bend.

kiihkeäsanainen (Finnish): passionately or fanatically speaking

Definitions

passionately or fanatically speaking

Ancestry of “kiihkeäsanainen”, step by step

kiihkeäsanainen traces back through two separate lines of ancestry.

via Finnish sanainen

Step	Language	Word	Meaning
1	Finnish	sanainen	worded; verbal
2	Finnish	sana	word; Word, Scripture; lesson
3	Finnish	luokka	class; class, social class; grade
4	Finnish	luokki	shaft bow
5	Proto-Slavic	lǫkъ	bow
6	Proto-Balto-Slavic	*lankás	bow
7	Proto-Indo-European	lenk-	to bend

via Finnish kiihkeä

Step	Language	Word	Meaning
1	Finnish	kiihkeä	hectic, frenetic, feverish, frantic, harried, frenzied very busy with activity and confusion
2	Finnish	-eä	Front vowel variant of -ea

Every word from Proto-Indo-European lenk- →Every word from Proto-Balto-Slavic *lankás →Every word from Proto-Slavic lǫkъ →