1844, from hemo- "blood" + -phobia "fear." Perhaps based on French hémophobie. Originally in reference to fear of medical blood-letting.
Entries linking to hemophobia
hemo-
word-forming element meaning "blood," perhaps via Old French hemo-, Latin haemo-, from Greek haimo-, contraction of haimato-, combining form of haima "blood" (see -emia).
-phobia
word-forming element meaning "excessive or irrational fear, horror, or aversion," from Latin -phobia and directly from Greek -phobia "panic fear of," from phobos "fear" (see phobia). In widespread popular use with native words from c. 1800. In psychology, "an abnormal or irrational fear." Related: -phobic.