RobH_en_tn/jdg/16/23.md

Dagon

a major false god of the Philistines (See: rc://en/ta/man/translate/translate-names)

has conquered

"has defeated"

put him in our grasp

Here the author speak of Samson being under the rulers' control as if he were something grasped tightly by their hands. Alternate translation: "put him under our control" (See: rc://en/ta/man/translate/figs-metaphor)