Where does “suokalkkarokäärme” come from?

suokalkkarokäärme (Finnish) comes from Finnish kalkkarokäärme, from Finnish käärme, from Proto-Finnic kärmeh, from Proto-Finnic kärmeš, from Proto-Balto-Slavic kr̥mis, from Proto-Indo-European kʷŕ̥mis — worm.

suokalkkarokäärme (Finnish): massasauga, Sistrurus catenatus

Definitions

massasauga, Sistrurus catenatus

Ancestry of “suokalkkarokäärme”, step by step

suokalkkarokäärme traces back through two separate lines of ancestry.

via Finnish kalkkarokäärme

Step	Language	Word	Meaning
1	Finnish	kalkkarokäärme	rattlesnake
2	Finnish	käärme	snake
3	Proto-Finnic	kärmeh	snake
4	Proto-Finnic	kärmeš	—
5	Proto-Balto-Slavic	kr̥mis	worm
6	Proto-Indo-European	kʷŕ̥mis	worm

via Finnish suo

Step	Language	Word	Meaning
1	Finnish	suo	swamp, bog, marsh, mire; Third-person singular...
2	Finnish	Mäki	Any of a number of small places in Finland
3	Finnish	-lä	Front vowel variant of -la
4	Finnish	-as	Forms some adjectives; Forms some nouns
5	Proto-Finnic	-s	Forms nouns
6	Proto-Finno-Ugric	-s	—

Every word from Proto-Indo-European kʷŕ̥mis →