In the Indian tradition, there is a rejection of the idea of language having a physical substrate. Instead, language is coterminous with Consciousness, the Ground of the Universe.
In the light of 14th century Sāyaṇācārya’s commentary, Here are the Five Ancient Vedic Mantras that Dissuade Sati and Encourage Widow Remarriage. Presence of these Mantras in the Saṃhitā texts pushes the antiquity of the mantras further deep into the past. Sāyaṇācārya whose commentary is used to explain these mantras is from 14th Century, Vijayanagara empire.
Rituals and the Subtlety Aspect of Hinduism, Foreign Indologists’ view of rituals focussing on their origin versus Indigenous Practitioners’ knowledge of rituals focussing on their cause and effect.