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English prefixes are affixes (i.e., bound morphemes that provide lexical meaning) that are added before either simple roots or complex bases (or operands) consisting of (a) a root and other affixes, (b) multiple roots, or (c) multiple roots and other affixes. Examples of these follow: undo (consisting of prefix un-and root do)
A prefix (write → re-write; lord → over-lord) rarely changes the lexical category in English. The prefix un-applies to adjectives (healthy → unhealthy) and some verbs (do → undo) but rarely to nouns. A few exceptions are the derivational prefixes en-and be-.
Adding a prefix to the beginning of an English word changes it to a different word. For example, when the prefix un-is added to the word happy, it creates the word unhappy. The word prefix is itself made up of the stem fix (meaning "attach", in this case), and the prefix pre-(meaning "before"), both of which are derived from Latin roots.
"mono-" is from Greek monos = "alone". "un" = 1 and "nona-" = 9 are from Latin. The others are derived from Greek numbers. The forms 100 and upwards are not correct Greek. In Ancient Greek, hekaton = 100, diakosioi = 200, triakosioi = 300, etc. The numbers 200-900 would be confused easily with 22 to 29 if they were used in chemistry.
Derivational affixes, such as un-, -ation, anti-, pre-etc., introduce a semantic change to the word they are attached to. Inflectional affixes introduce a syntactic change, such as singular into plural (e.g. -(e)s), or present simple tense into present continuous or past tense by adding -ing, -ed to an English word.
Search for Un (prefix) in Wikipedia to check for alternative titles or spellings. Start the Un (prefix) article , using the Article Wizard if you wish, or add a request for it ; but please remember that Wikipedia is not a dictionary .
Many words introduced into the English from the Latin start with the prefix in-. While often, it is a privative, it is not always so. Even if it is a privative, the meaning may be unclear to those who are not familiar with the word. [2] The following three examples illustrate that: inexcusable
The following is an alphabetical list of Greek and Latin roots, stems, and prefixes commonly used in the English language from P to Z. See also the lists from A to G and from H to O . Some of those used in medicine and medical and buisness technology are not listed here but instead in the entry for List of medical roots, suffixes and prefixes .