peraulo = devil (noun) (some things Google found for "peraulo": a very rare term; an uncommon last name; means something in Italian or a language spoken in Languedoc; bad OCR or misspelling of Latin word "peracto" which means "to carry through, complete, or accomplish")
Word derivation for "devil" :
Basque = deabru, Finnish = paholainen (paholai)
Miresua = peraulo
Finnish has a several words for devil. This word, paholainen, is the most proper and least profane word.
When this word is used as a swearword in Miresua, it'll be a mild one. Such as in "What the devil?".
This Miresua conlang word has been changed. The word for devil is now depahun.