Where does “bahamasaartensupi” come from?

bahamasaartensupi (Finnish) comes from Finnish Bahamasaaret, from Finnish sääri, from Finnish -lä, from Finnish -as, from Proto-Finnic -s, from Proto-Finno-Ugric -s.

Ancestry of “bahamasaartensupi”, step by step

bahamasaartensupi traces back through two separate lines of ancestry.

via Finnish Bahamasaaret

Step	Language	Word	Meaning
1	Finnish	Bahamasaaret	Bahama Islands
2	Finnish	sääri	shank, shin; cannon; used to refer to legs from...
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	—

via Finnish supi

Step	Language	Word	Meaning
1	Finnish	supi	Short for supikoira; the fur of raccoon; raccoon
2	Swedish	sjubb	—

Every word from Proto-Finno-Ugric -s →Every word from Finnish -lä →Every word from Finnish sääri →