LATIN DICTIONARYLexicon Latīnum
prefix

con-

con-
Classical[kɔn]Ecclesiastical[kon]

Meaning

  1. morphemeUsed in compounds to indicate a being or bringing together of several objects
    coeō, colloquor, convīvor, etc.: colligō, compōnō, condō, etc.
  2. morphemeUsed in compounds to indicate the completeness, perfecting of any act, and thus gives intensity to the signification of the simple word
    commaculō, commendō, concitō, comminuō, concerpō, concīdō, convellō, etc.

Charlton Lewis's shorter dictionary for students: the same scholarship in plain, modern definitions.

con- see 1 cum.

Origins

  1. Proto-Indo-European*ḱe?
  2. Proto-Indo-European*ḱóm
  3. Proto-Italic*kom
  4. Proto-Italic*kom-
  5. Latincon-

Inherited from Proto-Italic *kom-. Related to the preposition cum (“with”).

Quick answers

What does con- mean in Latin?
con-, a prefix, means “Used in compounds to indicate a being or bringing together of several objects; Used in compounds to indicate the completeness, perfecting of any act, and thus gives intensity to the signification of the simple word”.
How do you pronounce con-?
In classical Latin, [kɔn]; in ecclesiastical (church) Latin, [kon].
Where does con- come from?
Proto-Indo-European *ḱe? → Proto-Indo-European *ḱóm → Proto-Italic *kom → Proto-Italic *kom- → Latin con-.