endogeanEtymologyFrom endo- + Ancient Greek γῆ (gê) + -an. Compare hypogean and epigean.adjRelating to, or living in the soil or litter immediately beneath the surfacenounAny organism that lives in this region“We also studied the female internal system for a species in the subgenus Aphaenops (Cerbaphaenops), and two species belonging to two other genera, one endogean (Geotrechus) and one epigean (Trechus).”