The Collaborative International Dictionary of English v.0.48:

Spanaemia \Spa*nae"mi*a\, n. [NL., fr. Gr. ? scarce + ? blood.]
   (Med.)
   A condition of impoverishment of the blood; a morbid state in
   which the red corpuscles, or other important elements of the
   blood, are deficient.
   [1913 Webster]