Concise Bible Dictionary:
Symbolical name given to one of Isaiah’s sons (Isa. 8:1-4). It signifies “swift for spoil, hasty for prey.” The child was to be so called because before he should “have knowledge to cry, My father, and my mother, the riches of Damascus and the spoil of Samaria” should be taken away before the king of Assyria (see 2 Kings 15:29; 2 Kings 16:9).
Strong’s Dictionary of Hebrew Words:
Meaning:
from 4118 and 7998 and 2363 and 957; hasting (is he (the enemy) to the) booty, swift (to the) prey; Maher-Shalal-Chash-Baz; the symbolical name of the son of Isaiah
KJV Usage:
Maher-sha-lal-bash-baz
Potts’ Bible Proper Names:
Hastening to the spoil:―symbolical name of the son of Isaiah, Isa. 8:1. {Festinans ad spolium}