IPA: /ɪmˈpænəl/
KK: /ɪmˈpænəl/
To officially select and enroll a group of people to serve as jurors in a legal case.
The judge decided to impanel a jury for the upcoming trial.
Past: impaneled
Past Participle: impaneled
Impanel is formed from "in-" (meaning into) and "panel" (from Old French *panel*, meaning a flat piece or section). The word refers to the act of selecting or summoning individuals to form a jury or panel for a legal proceeding, thus bringing them into a group.
Think of bringing people 'into' ('in-') a 'panel' to serve together in a legal context.