1875, from hyper- "over" + glycemia "presence of sugar in the blood."
Entries linking to hyperglycemia
hyper-
word-forming element meaning "over, above, beyond," and often implying "exceedingly, to excess," from Greek hyper (prep. and adv.) "over, beyond, overmuch, above measure," from PIE root *uper "over."
glycemia n.
also glycaemia, "presence or level of sugar in the blood," 1901, from glyco- "sugar" + -emia "condition of the blood."