stratum的词源

英文词源

stratum (n.)

"horizontal layer," 1590s, from Modern Latin special use of Latin stratum "thing spread out, coverlet, beadspread, horse-blanket; pavement," noun uses of neuter of stratus "prostrate, prone," past participle of sternere "to spread out, lay down, stretch out," from PIE *stre-to- "to stretch, extend," from root *stere- "to spread, extend, stretch out" (see structure (n.)).

中文词源

stratum：层，岩层，地层

来自拉丁语 stratum,展开物，覆盖，铺盖，道路，中性格于 stratus,展开，展开的，铺开的， 过去分词格于 sternere,展开，铺开，伸展，来自 PIE*ster,展开，伸展，词源同 strew,street.后 用于科学术语指岩层，地层等。

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