rush. Hebrew. 'agmon. Occurs twice in "former" portion, here and Isaiah 19:15. and once in "latter" portion (Isaiah 58:5, "bulrush"). Elsewhere only in Job 41:2; Job 41:20.
Related Commentaries of Isaiah 9:14
Isaiah 9:14
14 Therefore the LORD will cut off from Israel head and tail, branch and rush, in one day.