obumbrate

From Latin obumbratus, past participle of obumbrare (“to overshadow, cloud”); ob + umbrare (“to shade”).

obumbrate (third-person singular simple present obumbrates, present participle obumbrating, simple past and past participle obumbrated)

1. To shade; to darken; to cloud.
   • 1640, I. H. [i.e., James Howell], ΔΕΝΔΡΟΛΟΓΊΑ [DENDROLOGIA]. Dodona’s Grove, or, The Vocall Forrest, London: […] T[homas] B[adger] for H. Mosley [i.e., Humphrey Moseley] […], →OCLC:

     those clouds, which did hang over and thus obumbrate him

obumbrate (not comparable)

1. Lying under some projecting part, like the abdomen of certain spiders.

obumbrate in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913

• bumboater

obumbrāte

1. vocative masculine singular of obumbrātus