- loess (n.)
[loess 词源字典]
- 1833 (in Lyell), "unstratified deposit of loam," coined 1823 by German mineralogist Karl Cäsar von Leonhard (1779-1862) from German Löss "yellowish-gray soil," from Swiss German lösch (adj.) "loose" (compare German los; see loose). Related: Loessial.[loess etymology, loess origin, 英语词源]