Prefix
(rare or no longer productive) With contrary, subordinate, or remote effect; denoting hindrance, setback, inferiority, etc.
afterdeal, aftertale
With adverbial or adjectival effect, forming compound words indicating something that comes afterwards in spacial position or time.
With prepositional effect, forming compound words denoting something which follows the second element of the compound.
Source: en.wiktionary.orgAfter- tax incomes adjusted for inflation increased at a 2.6 percent annual pace, after 4.4 percent in the prior quarter. Source: Internet