substratum的词源

英文词源

substratum (n.)

1630s, from Modern Latin substratum (plural substrata), noun use of neuter singular past participle of Latin substernere "to spread underneath," from sub- (see sub-) + sternere (see stratum).

中文词源

substratum：底土层

sub-,在下，-strat,地层，岩层，词源同 strategy,structure.

该词的英语词源请访问找单词词源英文版：substratum 词源，substratum 含义。