גָּדַד (gādad) is
a Hebrew verb
meaning penetrate. It appears
8 times
in 5 books of the Hebrew Bible
(Strong's H1413).
Also rendered
to cut
Same Hebrew root (TWOT 313)
Range of meaning (TWOT 313)penetrate, cut; they attack, the life of a righteous man; cut oneself, gather troops, bands, go in troops, throngs; crowd, gash; assemble, gather, cut selves
Full entry: Brown-Driver-Briggs and Strong's
גָּדַדverb: penetrate, cut
Qalthey attack (penetrate, make inroads upon) the life of a righteous man
Hithpolel
1.cut oneself, as religious (heathen) practice
2.gather troops, or bands; go in troops or throngs, throng
Strong's H1413גָּדַד: to crowd; also to gash (as if by pressing into) KJV:assemble (selves by troops), gather (selves together, self in troops), cut selves.
Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.