Where does “ruotiselleri” come from?

ruotiselleri (Finnish) comes from Finnish selleri, from Swedish selleri, from Lombard selleri, from Latin selīnum, from Ancient Greek σέλινον — celery.

Ancestry of “ruotiselleri”, step by step

ruotiselleri traces back through two separate lines of ancestry.

via Finnish selleri

Step	Language	Word	Meaning
1	Finnish	selleri	celery
2	Swedish	selleri	celery
3	Lombard	selleri	—
4	Latin	selīnum	—
5	Ancient Greek	σέλινον	celery

via Finnish ruoti

Step	Language	Word	Meaning
1	Finnish	ruoti	rib; rachis; tang
2	Finnish	ruoto	fishbone, bone; shaft, stem; spine, chine
3	Proto-Germanic	rōdō	rod, pole
4	Proto-Indo-European	rōt-	—

Every word from Ancient Greek σέλινον →Every word from Latin selīnum →Every word from Lombard selleri →