The term "Kin no Tamamushi" is derived from an ancient Japanese idiom that refers to a person who is as resilient and determined as a golden insect. In Japanese culture, insects like beetles and ants are often seen as symbols of perseverance and hard work. Similarly, Giyu's unyielding spirit and unshakeable commitment to his duties make him a shining example of the "Kin no Tamamushi" ideal.
(the Insect Hashira) or the "insect" motif found in the comic's title (Tamamushi refers to a jewel beetle). kin no tamamushi giyuu insects upd
Let’s trace the timeline of the meme/theory. The term "Kin no Tamamushi" is derived from