ETYMOLOGY
from Latin decumanus (very large, immense; usually of waves) + -al
EXAMPLE
“… till in the closure of the luxuriant period, the decumanal wave of the oddest whimzy of al, enforced the charmed spirits of the auditory (for affording room to its apprehension) suddenly to burst forth into a laughter; which commonly lasted just so long, as he had leasure to withdraw behind the skreen, shift off with the help of a Page, the suite he had on, apparel himself with another, and return to the stage to act afresh; for by that time their transported, disparpled, and sublimated fancies, by the wonderfully operating engines of his solacious inventions, had from the hight to which the inward scrues, wheeles, and pullies of his wit had elevated them, descended by degrees into their wonted stations, he was ready for the personating of another carriage; …”
From: Εκσκυβαλαυρον [Ekskybalauron]: or, The Discovery of a Most Exquisite Jewel, More Precious Then Diamonds Inchased in Gold, the Like Whereof Was Never Seen in Any Age
By Thomas Urquhart, 1652
Lexicophilia 