Genesis 49:19

“Gad, a troop shall overcome him, etc.] There is a paronomasia, or an allusion to the name of Gad almost in every word of the verse, which signifies a troop: the whole is a prediction that this tribe would be a warlike one, and have the common fate of war, sometimes be conquered, and at other times conquer, but however should be at last entirely victorious; all the three Targums refer this to this tribe passing over Jordan at the head of the armies of Israel, into the land of Canaan, in Joshua’s time, which, when they had subdued, they returned to their own inheritance on the other side Jordan, (<060112>Joshua 1:12-18 4:12,13 22:1-4) and so Jarchi; but it rather seems to refer to what befell…”

“- Jacob Blesses His Sons 5. מכרה mekêrāh, “weapon;” related: כיר kārar or כרה kārāh dig. “Device, design?” related: מכר mākar “sell,” in Arabic “take counsel. Habitation.” 10. מחקק mechoqēq, “lawgiver, judge, dispenser of laws.” This word occurs in six other places - Numbers 21:18; Deuteronomy 33:21; Jud. Deuteronomy 5:14; Psalms 60:9; Psalms 108:9; Isaiah 33:22; in five of which it clearly denotes ruler, or judge. The meaning “sceptre” is therefore doubtful. שׁילה shı̂ylôh, Shiloh, a softened form of שׁילון shı̂ylôn, a derivative of שׁל shol, the ultimate root of שׁלה shālâh, שׁלם shālam, and possibly שׁלט shālaṭ, and hence, denoting “the peacemaker, the prince of peace.” It…”

“49:19 Three of the six Hebrew words in this verse are wordplays on the name Gad (“attack”). Gad will be attacked by marauding bands (attackers), but he will attack. The tribes that settled east of the Jordan River frequently experienced border raids (see Josh 13; 2 Kgs 10:32-33; 1 Chr 5:18-19).”