Origin of whitish
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for whitish
Its plumage is a whitish grey; and it is about the size of a capon.The History of Louisiana
Le Page Du Pratz
It is quite large in size, white or whitish, very woolly or floccose.
The gills are thin, close, white or whitish, and very decurrent.
It is sometimes white or whitish, but more frequently like the cap.
The gills are broad, close, adnate, whitish or pale cinereous.