Lo·gos (lōgōs′, lŏgŏs′)
a. In pre-Socratic philosophy, the principle governing the cosmos, the source of this principle, or human reasoning about the cosmos.
b. Among the Sophists, the topics of rational argument or the arguments themselves.
c. In Stoicism, the active, material, rational principle of the cosmos; nous. Identified with God, it is the source of all activity and generation and is the power of reason residing in the human soul.
a. In biblical Judaism, the word of God, which itself has creative power and is God's medium of communication with the human race.
b. In Hellenistic Judaism, a hypostasis associated with divine wisdom.
3. Christianity In Saint John's Gospel, especially in the prologue (1:1-14), the creative word of God, which is itself God and incarnate in Jesus. Also called Word.
[Greek; see leg- in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.