I. ˈəm-bər noun
Etymology: probably from obsolete English, shade, color, from Middle English ombre, umbre shade, shadow, from Anglo-French, from Latin umbra — more at umbrage
Date: 1568
1. : a brown earth that is darker in color than ocher and sienna because of its content of manganese and iron oxides and is highly valued as a permanent pigment either in the raw or burnt state
2.
a. : a moderate to dark yellowish brown
b. : a moderate brown
II. transitive verb
( um·bered ; um·ber·ing -b(ə-)riŋ)
Date: 1610
: to darken with or as if with umber
III. adjective
Date: 1802
: of, relating to, or having the characteristics of umber ; specifically : of the color of umber