hypogeocarpousadj.
Etymology: < Greek ὑπόγειος underground + καρπός fruit + -ous suffix.Previous versions of the OED give the stress as: ˌhypogeoˈcarpous.
rare.
1855 R. G. Mayne (1860) Hypogeocarpus, having fruit under the surface of the earth; hypogeocarpous.
This entry has not yet been fully updated (first published 1899; most recently modified version published online June 2019).