"living below the ground," 1803, from Greek hypogeios "underground," from hypo "under" (see hypo-) + gē "earth" (see Gaia). Opposed to epigean.
hypocritic
hypocritical
hypodermic
hypogamy
hypogastrium
hypogean
hypoglycemia
hypomania
hyponymy
hypostasis
hypotaxis
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