shale的词源

英文词源

shale: shale: see scale
shale (n.): 1747, possibly a specialized use of Middle English schale "shell, husk, pod" (late 14c.), also "fish scale," from Old English scealu (see shell (n.)) in its base sense of "thing that pides or separate," in reference to the way the rock breaks apart in layers. Compare Middle English sheel "to shell, to take off the outer husk" (late 15c.). Geological use also possibly influenced by German Schalstein "laminated limestone," and Schalgebirge "layer of stone in stratified rock."

来自古英语 scealu,壳，鳞片，来自 Proto-Germanic*skalo,切片，分片，来自 PIE*skel,切，分开，词源同 scale,shell.引申词义页岩。

该词的英语词源请访问找单词词源英文版：shale 词源，shale 含义。