The Collaborative International Dictionary of English v.0.48:

Haemo- \H[ae]m"o-\ (h[e^]m"[-o]- or h[=e]"m[-o]-), prefix.
   See H[ae]ma-.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Haema- \H[ae]m"a-\ (h[e^]m"[.a]- or h[=e]"m[.a]-), Haemato-
\H[ae]m"a*to-\ (h[e^]m"[.a]*t[-o]- or h[=e]"m[.a]*t[-o]-),
Haemo- \H[ae]m"o-\ (h[e^]m"[-o]- or h[=e]"m[-o]-). [Gr. a"i^ma,
   a"i`matos, blood.]
   Combining forms indicating relation or resemblance to blood,
   association with blood; as, h[ae]mapod, h[ae]matogenesis,
   h[ae]moscope.
   [1913 Webster]

   Note: Words from Gr. a"i^ma are written hema-, hemato-,
         hemo-, as well as h[ae]ma-, h[ae]mato-, h[ae]mo-.
         [1913 Webster]