Where does “sananalkuinen” come from?

sananalkuinen (Finnish) comes 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.

sananalkuinen (Finnish): initial

Definitions

initial

Ancestry of “sananalkuinen”, step by step

sananalkuinen traces back through two separate lines of ancestry.

via Finnish sana

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

via Finnish alku

Step	Language	Word	Meaning
1	Finnish	alku	start, beginning, inception, incipience; first,...
2	Finnish	alkaa	to begin, start, initiate, set in, be initiated, originate, be originated, take its origin
3	Proto-Finnic	alkadak	to begin, to start
4	Proto-Uralic	alka-	beginning

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