*This opinion is not the representative of BUJINKAN opinion. This is just my own thought. If you understood it, you can proceed.
詞韻波羅密大光明
This is the pray word in BUJINKAN.
I pray with this word when I face to something difficulty.
Basically, I believe that the disciple of BUJINKAN should feel this word more than understanding or translation.
But, if you know the meaning of this word, it may be helpful for your discipline.
詞韻 (shikin)
詞（し、shi)
The old meaning of 詞 is the joint word.
Today, we use 詞 for the word which more organized meaning. 詞 is more meaningful word than simple vocabulary.
The meaning of left side is words, the meaning of right side is control. I can say 詞 is controlled word or harmonized word.
韻（きん[いん]、kin[in])
韻 means rhythm. Ancient Japanese believed that there was the soul in each words.
So the way of making the rhythm was important especially for praying.
The direct translated meaning of 詞韻 is "Advocate prayer of ". Making rhythm need harmony.
Only the harmonized words with pure mind can reach to providence.
Maybe, I can say, "Shi Kin" pronunciation is applied to another kanji "Shi Kin (至韻)". It's means "reach to rhythm".
But if you don't pray with pure mind, it will be another "Shi Kin (死韻)", which means "death rhythm".
Therefor, we would like to pray this words properly.
波羅密 (Haramitsu)
The origin of the word, 波羅密 (Haramitsu) came from sanscrit "Pa-ramita" which means completion, perfection and realization.
By Buddhism, it is meaning not for something to getting, it is meaning for something to being with. If you chase it, you will never ever get it. If you try to be it, you will become it.
Actually, the all of we have it with no exception. But we can't realize such a truth easily. It is not for the understanding, it is only for the being.
For example. We own a face. Except owner, all of people can see the face of others. But owner of the face can own and use it only. On the other hand, other people can only see it, but they can't own the other face. 波羅密 is just like that. Other 波羅密 is just for watching only. Your 波羅密 is only for being. I can say that if you realize 波羅密 once, you will realize the truth of 波羅密.
大光明 (Daikomyo)
Mahayana Mahaparinirvana Sutra (大般若経) introduced the light of grace emanating (大光明) that the world was in the dark, the creatures lived in the dark. They felt loneliness. One day somebody set fire to a torch. Then the creatures knew that they were not lonely each other. This story show that all of the thing which there is form is Buddha-nature itself. All of us is played by Buddha-nature. But, unfortunately, our knowledge, "ego" can not verify the existence of Buddha-nature. The wisdom for realization of Buddha-nature is called "般若, Hannya". What should you do to turn it on by torch to light up 般若?
Praying Pa-ramita for getting the light of grace emanating. That is the meaning.
But we have to know what we should light up. How can we reach to Pa-ramita?
There seems to be the true answer only in right disciple-keiko.
2010/10/03 Fudoan Hekishusai
2012/02/08 Transferred from website of FUDOAN and Re-write