...and why should it have such an easy time retaining the sense of nonsense?

brillig of twas and toves slithy
gave gyre of the form
and in mimsy for the honeycomb
it was totally those borogoves
and he outgrabe of momeraths gimble


Note the influence of the German, which the verb at the very end no matter how long the sentence is puts.


'Twas brillig, and the slithy toves
Did gyre and gimble in the wabe
All mimsy were the borogoves
And the momeraths outgrabe