Finnish word valaisu comes from Finnish -u, Finnish valaista

Detailed word origin of valaisu

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.
valaista	Finnish (fin)	To light, illuminate. To shed light on, illuminate, clear, clear up, elucidate (to make clear).
valaisu	Finnish (fin)	Lighting, illumination.

Words with the same origin as valaisu