prefixes is a form of:

Prefix



noun
1.
(syllable or a word or word root to quaw its meaning) បុព្វបទ
verbpast tense: prefixed ; past participle: prefixed ; present participle: prefixing ;
1.
(TRANSITIVE) (to fix to the beginning of a word, speech, book, etc) ដាក់បុព្វបទ (នៅមុខ)
ENGLISH MEANING
noun
1.
That which is prefixed; esp., one or more letters or syllables combined or united with the beginning of a word to modify its signification; as, pre- in prefix, con- in conjure.
verbpast tense: prefixed ; past participle: prefixed ; present participle: prefixing ;
1.
(TRANSITIVE) To put or fix before, or at the beginning of, another thing; as, to prefix a syllable to a word, or a condition to an agreement.
2.
(TRANSITIVE) To set or appoint beforehand; to settle or establish antecedently.