Finnish word arvoitus comes from Finnish -us, Finnish arvoit-
| Dictionary entry | Language | Definition |
|---|---|---|
| -us | Finnish (fin) | Forms nouns from verbs, describing an action or event.. Forms nouns, indicating resemblance or association. Short form of the suffix -uus, used where the stem of the root adjective ends in a vowel. |
| arvoit- | Finnish (fin) | |
| arvoitus | Finnish (fin) | Conundrum, brain-teaser (difficult question, puzzle or riddle). Mystery (someone or something with an obscure or puzzling nature). Puzzle, enigma (anything that is difficult to understand or make sense of). Riddle, puzzle, enigma (a verbal puzzle or mystery). |