Finnish word arvailla comes from Finnish -illa, Finnish arvata ((transitive) to guess.)

Detailed word origin of arvailla

Dictionary entry	Language	Definition
-illa	Finnish (fin)	Forms action verbs which denote an activity closely related with a noun.. Forms frequentative verbs. The resulting verb often describes a more or less leisurely or long-lasting activity, or an activity that is not overly goal-oriented.
arvata	Finnish (fin)	(transitive) to guess.
arvailla	Finnish (fin)	(transitive) To guess (repeatedly, continuously and/or indifferently).

Words with the same origin as arvailla