browninessn.
Etymology: < browny adj. + -ness suffix.See also brounes n.Previous versions of the OED give the stress as: ˈbrowniness.
rare.
the world > matter > colour > named colours > brown or brownness > [noun] > brownishness
1830 28 580 Fowling-pieces..through the smooth browniness of their barrels.
This entry has not yet been fully updated (first published 1888; most recently modified version published online June 2019).