Where does “äyriäiskeitto” come from?

äyriäiskeitto (Finnish) comes from Finnish äyriäinen, from Finnish äyräs, from Proto-Germanic akraz, from Proto-Indo-European h₂éǵros — field, pasturage.

äyriäiskeitto (Finnish): shellfish soup

Definitions

shellfish soup

Ancestry of “äyriäiskeitto”, step by step

äyriäiskeitto traces back through two separate lines of ancestry.

via Finnish äyriäinen

Step	Language	Word	Meaning
1	Finnish	äyriäinen	crustacean; shellfish
2	Finnish	äyräs	bank edge of river or lake, especially a steep one
3	Proto-Germanic	akraz	field, open land
4	Proto-Indo-European	h₂éǵros	field, pasturage

via Finnish keitto

Step	Language	Word	Meaning
1	Finnish	keitto	soup; boiling; booze
2	Finnish	keittää	To boil; to boil over; To cook; To cook up
3	Proto-Uralic	keje-	—

Every word from Proto-Indo-European h₂éǵros →Every word from Proto-Germanic akraz →Every word from Finnish äyräs →