• n. 轮廓;预示
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1、ad- "to" + umbr- + -ation.
2、含义:represent (a thing) in outline, shadowed in outline, cast a shadow.
adumbration (n.)
1530s, from Latin adumbrationem (nominative adumbratio) "a sketch in shadow, sketch, outline," noun of action from past participle stem of adumbrare "to cast a shadow, overshadow, represent (a thing) in outline," from ad- "to" (see ad-) + umbrare "to cast in shadow," from PIE *andho- "blind, dark" (see umbrage).