loess

名词 loess:

1. a fine-grained unstratified accumulation of clay and silt deposited by the wind

lo.ess

n.（名词）
A buff to gray windblown deposit of fine-grained, calcareous silt or clay.
黄土：一种风沉积而成的颗粒细小、含钙质的沙或泥土，呈浅黄色或黄褐色

来源：
German lôss
德语 lôss
from German dialectal Lôsch
源自 德语方言 Lôsch
from lôsch [loose] * see leu-
源自 lôsch [松的] *参见 leu-

【引伸】
loes.sial