Utrumque a verbo Graeco quod est βάλλω originem ducit. Diabolus enim est is qui διαβάλλει. Parlamentum autem est quasi locus ubi homines parabolant, id est faciunt parabolas sive Latinius verba. Confer verbum Francogallicum parler, id est loqui.
This word is interesting in that it is awkward, but since it's a single word rather than a wording it doesn't belong on the Odd and Unfortunate Wordings thread: concommotio.