Boyd’s Bible Dictionary:
Much used in East as cosmetic and beautifier
(2 Kings 9:30; Jer. 4:30). Rouses, walls, beams, idols, painted (Jer. 22:14; Ezek. 23:14). Painting as a fine art not encouraged by Hebrews.
Strong’s Dictionary of Hebrew Words:
Meaning:
a primitive root; to rub with oil, i.e. to anoint; by implication, to consecrate; also to paint