Agni Purana (Jyotisha Selections) · by Vyasa
Chapter 2 · War Astrology: Yogas, Nakshatras
युद्धजयार्णवः (योगाः नक्षत्राणि)
आदौ शक्तिः समुत्पन्ना ओंकारस्वरभूषिता ।ततो बिन्दुर्महादेवि एकारेण व्यवस्थितः ॥ ८ ॥
In the full Agni Purana this is chapter 124, verse 8.
First Shakti arose, adorned with the sound Om. Then, great goddess, the dot stood in place with the vowel e.
Simple meaning: First Shakti arose with Om. Then the dot stood in place with the vowel e.
जातो नाद उकारस्तु नदते हृदि संस्थितः ।
The sound u sits in the heart. The half-moon i shows the path to liberation.
अकारोऽव्यक्त उत्पन्नो भोगमोक्षप्रदः परः ।
The letter a is unseen and beyond, and gives enjoyment and liberation. It holds earth and the part called Nivritti.
गन्धो न बीजः प्राणाख्य इडा शक्तिः स्थिरा स्मृता ।
The vowels a and i are matched with senses, seed letters, breaths, and the left and right breath.