The word "I" in the word "goose" is not only beside the sound, but also beside the shape. It is the abbreviation of "Oh" and the sound of birds imitating "Oh".
Goose, seal character = (bird, duck)+(I, "oh oh"), which means "oh oh" duck cry. Original meaning of word-making: noun, a kind of waterbird called "Oh Oh", which has a big head, a flat and wide beak, a long neck and a short tail.
Li Shu mistakenly wrote the bird feather claw of seal script as "four points at the bottom"
Attached to the classical Chinese version of Shuo Wen Jie Zi: Goose, Flying Goose. From the bird, my voice.
Attached to the vernacular version of Shuo Wen Jie Zi: Goose, Woohoo-hoo. The glyph takes "bird" as the side and "I" as the sound side.
Glyph evolution