Webster's unabridged, 3rd ed.:
depaint - 1: archaic
: to delineate in colors or words 2: obs
: to adorn with color or painted figures
Random House unabridged:
depaint - Obs.
To depict; portray.
depaint, sb. Obs. rare-¹.
... Painting, pictorial representation.
depaint, ppl. a. Obs.
... Depicted, painted, delineated; ornamented; coloured: see the verb.
depaint, v. Obs.
To represent or portray in colours, to paint; to depict; to delineate.
a 1225 ... 1848 ...
2. To depict or portray in words; to describe graphically, or by comparison.
1382 ... 1808 ...
3. To set forth or represent, as a painting or picture does.
1598 ... c 1660 ...
4. To paint or decorate with colours or painted figures; sometimes, to paint, colour (a surface).
c 1320 ... 1706 ...
5. To stain, distain.
c 1374 ... 1600 Fairfax Tasso
II. xliii. 28 Few siluer drops her vermile cheekes depaint.
Webster's 2nd ed. (1913):
Depaint, v. t. [imp. & p. p. Depainted; p. pr. & vb. n. Depainting.] 1. To paint; to picture; hence, to describe; to delineate in words; to depict. [Obs.]
And do unwilling worship to the saint That on his shield depainted he did see. Spenser.
In few words shall see the nature of many memorable persons . . . depainted. Holland.
2. To mark with, or as with, color; to color.
Silver drops her vermeil cheeks depaint. Fairfax.http://machaut.uchicago.edu/cgi-bin/WEBSTER.s...