hypogean

== English == === Etymology === From Latin hypogaeus, hypogēus (from Ancient Greek ὑπόγειος (hupógeios)) +‎ -an. === Adjective === hypogean (not comparable) Existing or growing underground. ==== Synonyms ==== hypogeal, hypogeous subterraneous, subterrene, underground, subterranean ==== Coordinate terms ==== epigean ==== See also ==== === References ===