Pre- is used to form words that indicate that something takes place before a particular date, period, or event. ...his pre-war job. ...pre-1971 cars. ...life in pre-industrial England.
pre-, prefix. pre- comes from Latin, where it has the meaning "before, in front of,'' "prior to, in advance of,'' "being more than, surpassing'': pre- + -dict → predict (= say in advance of something);
Prefixes are key morphemes in English vocabulary that begin words. The prefix pre-, which means “before,” appears in numerous English vocabulary words, for example: pre dict, pre vent, and pre fix!