prefix
noun
[ ˈpriːfɪks ]
• a word, letter, or number placed before another.
• "the Institute was granted the prefix ‘Royal’ in 1961"
prefix
verb
• add (something) at the beginning as a prefix or introduction.
• "a preface is prefixed to the book"
Origin:
mid 16th century (as a verb): from Old French prefixer, from Latin praefixus ‘fixed in front’, from the verb praefigere, from prae ‘before’ + figere ‘to fix’. The noun is from modern Latin praefixum, neuter (used as a noun) of praefixus, and dates from the mid 17th century.
