Where does “teräväsanaisuus” come from?

teräväsanaisuus (Finnish) comes from Finnish teräväsanainen, 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.

teräväsanaisuus (Finnish): sharp-wordedness

Definitions

sharp-wordedness

Ancestry of “teräväsanaisuus”, step by step

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

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