Epi- (from Greek epi, over): the characteristic is present in the major part
(or half or more of the part) between the (mineral) soil surface (or the
specified upper limit) and 50 cm from the (mineral) soil surface and is
absent in the major part (or half or more of the part) between 50 and 100
cm from the (mineral) soil surface or between 50 cm from the (mineral)
soil surface and continuous rock, technic hard material or a cemented or
indurated layer, whichever is shallower.
Endo- (from Greek endon, inside): the characteristic is present in the
major part (or half or more of the part) between 50 and 100 cm from the
(mineral) soil surface or between 50 cm from the (mineral) soil surface
and continuous rock, technic hard material or a cemented or indurated
layer, whichever is shallower, and absent in the major part (or half or
more of the part) between the (mineral) soil surface (or the specified upper
limit) and 50 cm from the (mineral) soil surface.