Its semantic field extends beyond "word" to notions such as "thought, speech, account, meaning, reason, proportion, principle, standard", or "logic". In English, the word is the root of "log" (as in record), of "logic," and of the "-ology" suffix (e.g., geology).^[1]

Heraclitus established the term in Western philosophy as meaning both the source and fundamental order of the cosmos. The sophists used the term to mean discourse, and AristotleHellenistic influence, Philo adopted the term into Jewish philosophy. The Gospel of John identifies Jesus as the incarnation of the Logos, through which all things are made. The gospel further identifies the Logos as God (theos), providing scriptural support for the trinity. It is this sense, the Logos as Jesus Christ and God, that is most common in popular culture. applied the term to argument from reason. After Judaism came under

http://en.wikipedia.org/wiki/Logos#See_also