The Significance of "Kun" in Ancient Chinese

Kun, Huang Ye. Away from the fire, Kun Sheng. -"Shuo Wen Jie Zi"

Show my hope. -"Zuo Gong for three years". Note: "Ye Ming."

Another example: dazzling; Zhuoyu (brilliant)

A faded look ["faded"]

The leaves of yellow flowers are rotting. -"Selected Works, Long Songs of the Old saying". Note: "Color drops."

Another example is: yellow (the appearance of falling color)