First recorded in 1915–20; pre- + climax (Source: dictionary.com)
Early 20th century; earliest use found in Frederic Edward Clements (1874–1945). (Source: lexico.com)
Definitions of Preclimax
a stable community that precedes the full development of the climax community of a given area and that results from local variations in soil and water.
(In the monoclimax theory of plant succession) a climax community which differs from that which might be predicted for the region due to adverse local environmental conditions.
A community preceding the climax community in a plant succession.
: a relatively stable ecological community requiring a lesser amount of available moisture than that generally available to the climax and occurring typically where local soil conditions partially nullify a generally adequate precipitation a grassland preclimax within a forest climax — compare postclimax