What is the meaning of After-?

With contrary, subordinate, or remote effect, denoting hindrance, setback, inferiority, etc.

With adverbial or adjectival effect, forming compound words indicating something that comes afterwards in spacial position.

With prepositional effect, forming compound words denoting something which follows the second element of the compound, and is less intense or significant.

With prepositional effect, forming compound words denoting follows and is a result of the second element of the compound.

after-, sub-, second (expressing that something comes after another thing)

pseudo-, spurious (expressing that something is false or fake)

Source: wiktionary.org