pohjaton
syvän meren, abyssaalinen
abyssinen, abyssaalinen
Belonging to, or resembling, an abyss; unfathomable. (defdate)
(senseid) Of or belonging to the ocean depths, especially below 2000 metres (6500 ft): ''zone''. (defdate)
Pertaining to or occurring at excessive depths in the earth's crust; plutonic. (defdate)
(l)