The word 出手 is formed through a vivid conceptual metaphor rooted in physical action. It combines 出 (to exit, extend out) with 手 (hand) to literally picture "the hand going out". This concrete image of extending one's hand to act is then abstracted to encompass the broader initiating moment of any significant action, whether it be intervening in a situation, making a move in a competition, selling an item, or displaying one's skill, all carrying the inherent sense of deploying one's capability or resources into the world from a previously withheld state.