Many ancient mantras are found in the Saṃhitā portion of the Vedas. The Saṃstrikeās are one of the most historical layer in the Vedas, and include various mantras, hymns, prayers, and litanies. Probably the most historical Buddhist mantras could be the renowned Pratītyasamutpāda-gāthā, also known as the dependent origination dhāraṇī. https://baglamukhi04528.worldblogged.com/32390217/about-mantra