Pseudo-archaic

To dramatize Norse myths, he created a pseudo-archaic form of German, whose cadences dictated the stately melodic lines, which in turn flowed together into endless scenes.

Source: wiktionary

If you look the word up in the dictionary, you will find it is a “pseudo-archaic spelling of fair”. So the fayre is a pseudo event.

Source: wiktionary

In the pun-riddled libretto by Ernst von Wolzogen (a satirist and cabaret figure), all this is expressed in a mixture of Bavarian dialect (poorly rendered by this American cast) and that easily lampooned hodgepodge of alliteration and pseudo-archaic German of Wagner’s own librettos.

Source: wiktionary