twelvefold

[adjective twelv-fohld; adverb twelv-fohld]

adjective

having twelve sections, aspects, divisions, kinds, etc.
being twelve times more, larger, greater, etc., as a given quantity size, intensity, or the like.

adverb

twelve times in amount or degree: Its potential destructive power was increased twelvefold.

Origin of twelvefold

First recorded in 1550–60, twelvefold is from the Old English word twelf-feald. See twelve, -fold

By this twelvefold number therefore the orb of the whole earth is now signified.
The Homilies of the Anglo-Saxon Church
lfric
But this twelvefold number is set for all mankind of all the orb, for the perfectness of its signification.
The Homilies of the Anglo-Saxon Church
lfric
In the same period exports of hams and shoulders to France increased more than twelvefold and to Great Britain more than a third.
New York Times Current History: The European War, Vol. 8, Pt. 2, No. 1, July 1918
Various
These Reflexionen recognise only the categories of relation, and must therefore be prior to the twelvefold classification.
A Commentary to Kant's 'Critique of Pure Reason'
Norman Kemp Smith
Who knows how many thousand years ago The twelvefold Zodiac was made to show The course of stars above and men below?
Golden Stars
Henry Van Dyke