missile

(Isaiah 50: (feminine); and זִק; or זֵק; from זָנַק; properly, what leaps forth, i.e. flash of fire, or a burning arrow; also (from the original sense of the root) a bond; chain, fetter, firebrand, spark.

from שָׁלַח; a missile of attack, i.e. spear; also (figuratively) a shoot of growth; i.e. branch; dart, plant, [idiom] put off, sword, weapon.