Sanatana Dharma (सनातनधर्मः)

Sanatana means eternal, never beginning nor ending.

Dharma is from dhri, meaning to hold together, to sustain.

Sanatana Dharma eternally holds All together.

Sanatana Dharma means:

Eternal Path

Never Beginning nor Ending Way

Perennial Philosophy

Universal Tradition

All-Pervading Truth

Natural Flow

 References

1. http://www.swamij.com/sanatana-dharma-what-is.htm Posted by Swami Jnaneshvara Bharati | Articles on Tradition
2. Sharma, B. D. (). New Perspectives on Vedic and Ancient Indian Civilization. World Assn. of Vedic Studies.