prefix
affix which is placed before the stem of a word
peri-
Greek prefix: around
macro-
prefix
San
prefix of family name, generally Spanish surnames
von der
German family name affix
ur-
prefix
radio-
prefix
Ben
part of many family names in Hebrew
Internet-related prefixes
such as e-, i-, cyber-, info-, techno- and net- are added to a wide range of existing words to describe new, Internet- or computer-related flavors of existing concepts
geo-
prefix
tri-
prefix used by Dmitri Mendeleev
Al
family name prefix