Where does “kenttäsirkkunen” come from?

kenttäsirkkunen (Finnish) comes from Finnish sirkkunen, from Finnish Sirkku, from Finnish Sirkka, from Finnish sirkka, from Russian Серге́й, from Ancient Greek Σέργιος, from Latin Sergius.

kenttäsirkkunen (Finnish): Savannah sparrow, Passerculus sandwichensis

Definitions

Savannah sparrow, Passerculus sandwichensis

Ancestry of “kenttäsirkkunen”, step by step

kenttäsirkkunen traces back through two separate lines of ancestry.

via Finnish sirkkunen

Step	Language	Word	Meaning
1	Finnish	sirkkunen	seedeater bird of the genus
2	Finnish	Sirkku	emberizid bird of the family
3	Finnish	Sirkka	cricket insect of the family
4	Finnish	sirkka	cricket; Synonym of sirkkalehti
5	Russian	Серге́й	Sergius
6	Ancient Greek	Σέργιος	—
7	Latin	Sergius	—

via Finnish kenttä

Step	Language	Word	Meaning
1	Finnish	kenttä	field; A limited area where a game is played, a...
2	Proto-Samic	kientē	meadow, field

Every word from Latin Sergius →Every word from Ancient Greek Σέργιος →Every word from Russian Серге́й →