Literature Reference: An means tranquility; Gu means steadfastness. Source from 'Shuowen Jiezi'.
安: Peace of mind and tranquility. In names, it often describes someone who is reliable, composed, and calm in the face of challenges.
固: Solid; sturdy. In personal names, it often signifies a person who is honest, reliable, responsible, and dependable, and it also conveys the meaning of being strong and physically robust.
Meaning: An Gu symbolizes peace and steadfastness, representing tranquility and resilience.