colluvium
noun
col·lu·vi·um kə-ˈlü-vē-əm 
plural colluvia kə-ˈlü-vē-ə or colluviums
or colluviums : rock detritus and soil accumulated at the foot of a slope
colluvial
kə-ˈlü-vē-əl
adjective 
Word History
Etymology
New Latin, from Medieval Latin, offscourings, alteration of Latin colluvies, from colluere to wash, from com- + lavere to wash — more at lye
First Known Use
circa 1936, in the meaning defined above
colluvium
noun
as in alluvium
Synonyms & Similar Words
Relevance
- alluvium
- sediment
- silt
- loess
- marl
- detritus
- clay
- mud
- mold
- shingle
- gravel
- earth
- sand
- kaolin
- dirt
- loam
- topsoil
- dust
- gley
- clod
- gault
- humus
- ground
- gumbo
- muck
- subsoil
- blackland
- gook
- guck
- substratum
- duff
- mull
