"ethereal fluid that serves for blood in the veins of the gods," 1630s, from French ichor (16c.) or Modern Latin ichor, from Greek ikhōr, a word of unknown origin, possibly from a non-Indo-European language. Related: Ichorous.
ice-skate
ice-water
ichneumon
ichnolite
ichnomancy
ichor
ichthyo-
ichthyology
ichthyomorphic
ichthyophagous
ichthyosaur