"Shakespeare" is not a language. Shakespeare wrote in modern English and thus "eternity" is expressed by the English word "eternity" As in, "all that lives must die, passing through nature to eternity." (Hamlet Act 1, Scene 2)
You would say, "An eternity."
aeternitas (gen. aeternitatis)
wiecznosci
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Shakespeare would say "Wherefore art though?"
Shakespeare You Say - 2011 was released on: USA: 2011
Shakespeare's language was English. "And" in English is "and".
eternity = síoraíocht
When people say Shakespeare they mean William Shakespeare the playwright. There was only ever one of him.
There is no tangible evidence to say what Shakespeare's favorite character was.
Hath.
haliʻa aloha mau loa [ha-lee'ah aloha m+ow lo-ah]