Prefix
A prefix, signifying over, beyond, through and through, on the other side, as in transalpine, beyond the Alps; transform, to form through and through, that is, anew, transfigure.
Source: Webster's dictionaryThe side chain is composed of four isoprenoid units, with a series of conjugated double bonds which may exist in trans- or cis-configuration. Source: Internet
The prefix prě- ("trans-, over-") when long became pre- in eastern Ijekavian dialects but to prije- in western dialects; in Ikavian pronunciation, it also evolved into pre- or prije- due to potential ambiguity with pri- ("approach, come close to"). Source: Internet
The trans- Saharan trade that contributed to the expansion of kingdoms in the western Sudan also led to the development of contacts with regions in northern modern Ghana, and in the forest to the south. Source: Internet