"Maher-shalal-hash-baz"[a] was the second prophetic name mentioned in Isaiah chapter 8[2]–9.
understood as the son of Abi the bride of king Ahaz, i.e., the future king Hezekiah, by many Jewish commentators,[which?]
The phrases maher-shalal and hash-baz are synonymous, both meaning approximately "quickly to the plunder".
The name Maher-shalal-hash-baz is a reference to the impending plunder of Samaria and Damascus by the king of Assyria, Tiglath-Pileser III (734–732 BCE).
This is often counted the longest name (and word) used in the Bible, though a possible longer name-phrase in Isaiah is found in Isaiah 9:5 "called Pele-joez-el-gibbor-abi-ad-sar-shalom".