Where does “härkäsammakko” come from?

härkäsammakko (Finnish) comes from Finnish Härkä, from Latin Taurus, from Ancient Greek Ταῦρος, from Proto-Hellenic táuros, from Proto-Indo-European táwros — wild bull, aurochs.

härkäsammakko (Finnish): bullfrog, Lithobates catesbeianus

Definitions

bullfrog, Lithobates catesbeianus

Ancestry of “härkäsammakko”, step by step

härkäsammakko traces back through two separate lines of ancestry.

via Finnish Härkä

Step	Language	Word	Meaning
1	Finnish	Härkä	Taurus a constellation
2	Latin	Taurus	Taurus, one of the constellations of the Zodiac
3	Ancient Greek	Ταῦρος	one of the Tauri
4	Proto-Hellenic	táuros	bull
5	Proto-Indo-European	táwros	wild bull, aurochs

via Finnish sammakko

Step	Language	Word	Meaning
1	Finnish	sammakko	frog; common frog
2	Finnish	-kko	Forms collective nouns; Forms nouns denoting...
3	Proto-Finnic	-kko	—

Every word from Proto-Indo-European táwros →Every word from Proto-Hellenic táuros →Every word from Ancient Greek Ταῦρος →