Where does “äkämäbakteeri” come from?

äkämäbakteeri (Finnish) comes from Finnish bakteeri, from New Latin bactērium, from Ancient Greek βακτήριον, from Ancient Greek βακτηρία, from Proto-Indo-European baḱ- — club, pointed stick, peg; pointed stick, peg.

äkämäbakteeri (Finnish): Any bacterium which produces galls on the host...

Definitions

Any bacterium which produces galls on the host...

Ancestry of “äkämäbakteeri”, step by step

äkämäbakteeri traces back through two separate lines of ancestry.

via Finnish bakteeri

Step	Language	Word	Meaning
1	Finnish	bakteeri	bacterium
2	New Latin	bactērium	—
3	Ancient Greek	βακτήριον	Synonym of βακτηρία
4	Ancient Greek	βακτηρία	rod, staff, cane; baton
5	Proto-Indo-European	baḱ-	club, pointed stick, peg; pointed stick, peg

via Finnish äkämä

Step	Language	Word	Meaning
1	Finnish	äkämä	gall
2	Finnish	äkeä	irascible, irked, irritated, sullen
3	Finnish	-ea	A suffix for making adjectives from some nouns...
4	Proto-Finnic	-eda	A generic adjective marker
5	Proto-Uralic	-eta	A generic adjective marker, attached to roots

Every word from Proto-Indo-European baḱ- →Every word from Ancient Greek βακτηρία →Every word from Ancient Greek βακτήριον →