haema-hema-comb. form

representing Greek αἷμα blood; sometimes used as combining form instead of the etymologically regular haemato- comb. form or haemo- comb. form. For such words in hæma- see haemo- comb. form.Many of these forms in hæma- are of French origination. Littré has hémachroïne, -dromomètre, -dynamique, -statique; to French authors are also due hémaphéine, hematherma, etc.In words derived from Greek αἷμα, the spelling he- is favoured in the United States, but is rarely used in Great Britain, except in hematite, where it is the prevailing form in industrial and commercial use, and in hemorrhage and hemorrhoid, in which hæ- is however more usual.