Did you mean "Sanguivorous"? If so:
It means to feed on blood, like leeches, some insects, and bats.
sangui-
A combining form meaning "blood" used in the formation of technical terms: sanguiferous.
Origin:
Combined form of Latin sanguis, sanguin- blood
-vorous
A combining form meaning "eating, gaining sustenance from" that specified by the initial element: carnivorous.
Latin -vorus: devouring