Finnish word ottelu comes from Finnish -u, Finnish otella (To compete.)

Detailed word origin of ottelu

Dictionary entry	Language	Definition
-u	Finnish (fin)	Derives a number of nouns from other nouns.. Forms nouns from verbs. Most common with e- and i-stem verbs.
otella	Finnish (fin)	To compete.
ottelu	Finnish (fin)	(sports) match (sporting event).

Words with the same origin as ottelu