The Collaborative International Dictionary of English v.0.48:

Eariness \Ear"i*ness\, n. [Scotch ery or eiry affected with
   fear.]
   Fear or timidity, especially of something supernatural.
   [Written also eiryness.]
   [1913 Webster]

         The sense of eariness, as twilight came on. --De
                                                  Quincey.
   [1913 Webster]