Makalian
/məˈkeɪlɪən/Geology. Now rare
adjective
Of, relating to, or designating an East African pluvial period of the Pleistocene epoch, previously known as the Third Pluvial. Also as noun: the pluvial itself.
Origin
1920s; earliest use found in Louis Leakey (1903–1972), archaeologist and palaeoanthropologist. From the name of the river Makalia in Kenya + -an.