hypogeal

or hy·po·gae·al, hy·po·ge·ous, hy·po·gae·ous

[ hahy-puh-jee-uh l, hip-uh- ]
/ ˌhaɪ pəˈdʒi əl, ˌhɪp ə- /

adjective

underground; subterranean.

Origin of hypogeal

1680–90; < Latin hypogē(us) (< Greek hypógeios underground, subterranean, equivalent to hypo- hypo- + earth + -ios adj. suffix) + -al1

British Dictionary definitions for hypogeal

hypogeal

hypogeous

/ (ˌhaɪpəˈdʒiːəl) /

adjective

occurring or living below the surface of the ground
botany of or relating to seed germination in which the cotyledons remain below the ground, because of the growth of the epicotyl

Word Origin for hypogeal

C19: from Latin hypogēus, from Greek hupogeios, from hypo- + earth