here ‧ to ‧ fore /ˌhɪətʊˈfɔː $ ˈhɪrtʊfɔːr/ BrE AmE adverb formal
[ Date: 1300-1400 ; Origin: here + tofore 'before' (11-17 centuries) (from Old English toforan ) ]
before this time:
In recent years we have seen greater emphasis than heretofore on the voice of the consumer.