Here is given the word by word meaning of Gayatri mantra. Check out the translation of Gayathri mantra.
The above quote, from p. 126 of “The Theosophical Glossary,” is the only time H. P. Blavatsky ever mentions the Gayatri Mantra in her main writings. The importance of this verse or mantra to Theosophists and to all spiritual aspirants was therefore first presented and emphasised by HPB...