> re-, prefix, of Latin origin, with the general sense of ‘back’ or ‘again’, occurring in a large number of words directly or indirectly adopted from Latin, or of later Romanic origin, and on the model of these freely employed in English as a prefix to verbs, and to substantives or adjectives derived from these.
In earlier Latin re- was used before consonants, and red- before vowels or h-, as in redīre, redimĕre, redhibēre (rarely in other cases, as in red-dĕre). The latter form appears in Eng. only in a few words which are ultimately of Latin origin, as redeem, redemption, redintegrate. In…