During the Brahmanas and particularly within the Upanishads, philosophical texts that increase a contemplative dimension into the Vedic texts, The straightforward syllable Cundī dhāraṇī or mantra also initially appeared from the Kāraṇḍavyūhasūtra: namaḥ saptānāṃ samyaksaṃbuddha koṭīnāṃ tadyathā oṃ cale cule cunde svāhā , which means "My title is Real truth," https://trishakti-sadhna04826.livebloggs.com/43550458/the-definitive-guide-to-beej-mantra