
Latin word com- comes from Proto-Indo-European *ḱe, Latin potator (Drinker. Tippler.)
*ḱe (Proto-Indo-European)
potator (Latin)
Drinker. Tippler.
*ḱóm (Proto-Indo-European)
Beside, near, by, with.
*kom (Proto-Italic)
(with ablative) with, along, at.
cum (Latin)
With.
con- (Latin)
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.
com- (Latin)