(A LEXICAL EXERCISE)
In his dream zealous
To attain his home,
But ensorcelling powers
“Lexical”  meaning “of or relating to words or the vocabulary of a language as distinguished from its grammar and construction”; Auden, in addition to creating a spectacularly sounding phrase, lays out the premise for this obscure work. From creating his own words to using extremely complex and abstract phrasings, Auden stretches the possibilities of the English language (plus an appearance by the always-loved Latin).
A Bad Night