英和和英

語源 1

umbra +‎ -ous

形容詞

umbrous (comparative more umbrous, superlative most umbrous)

1. Umbral, shadowy, or relating to shadows.
   • 2008 January 22, Alan Trachtenberg, Lincoln's Smile and Other Enigmas, Macmillan + ORM, →ISBN:

     [Quoting Leonardo da Vinci:] Just as there are luminous bodies that emit luminous rays, so there are “umbrous” bodies that emit shadowing rays. An umbrous body is something solid and dense that blocks and creates (casts or projects) shadow, an […]

   • 2014 March 25, Vaughn Entwistle, The Revenant of Thraxton Hall: The Paranormal Casebooks of Sir Arthur Conan Doyle, Minotaur Books, →ISBN, page 5:

     ... drowned in umbrous shadow.

   • 2020 September 17, G.V. Loewen, The Penumbra of Personhood: Anti-Humanism' reconsidered, Strategic Book Publishing & Rights Agency, →ISBN, page 546:

     Indeed, human hope and aspiration has its too-brilliant facet, just as does the self have its too-umbrous shadow: "I don't know if it is reasonable to propose a 'radiant future' to tomorrow's humanity, but we would do well not […]"

参考

• umbral, umbrageous, umbrose

語源 2

umber +‎ -ous

形容詞

umbrous (comparative more umbrous, superlative most umbrous)

1. Of an umber colour.
   • 1941, Academy of Natural Sciences of Philadelphia, Proceedings of the Academy of Natural Sciences of Philadelphia, page 160:

     Color in alcohol dark umber, largely uniform, […] Fins all umbrous, or rather dark brown.

アナグラム

• brumous