assemble (selves by troops), gather (selves together, self in troops), cut selves

Boyd’s Bible Dictionary:

These words imply small bodies of marauders
(Gen. 49:19; 2 Sam. 22:30; Jer. 18:22; Mic. 5:1).

Strong’s Dictionary of Hebrew Words:

Number:
1413 (find all occurrences in KJV Bible)
Transliteration:
gadad
Phonic:
gaw-dad’
Meaning:
a primitive root (compare 1464); to crowd; also to gash (as if by pressing into)
KJV Usage:
assemble (selves by troops), gather (selves together, self in troops), cut selves