酸式盐

• 酉(wine vessel; ferment)RADICAL
• 夋(slow manner; leisurely pace)PHONETIC

Fermenting alcohol produces sourness, which is exactly the character for sour.

• 弋(wooden stake; bow (for arrows))RADICAL
• 工(work; boatman)ASSOCIATIVE

Using wooden stakes and tools together creates a standard template or ritual form.

• 圤(earth; mineral (hint: rock salt))ASSOCIATIVE
• 皿(bowl; container)RADICAL

Salt is a mineral from the earth held in a bowl.