By Swami Harshananda
Trivṛtkaraṇa literally means ‘the process of triplication’.
These three are the pure elements imperceptible to the senses. Brahman then created the gross elements out of these, by the process of trivṛtkaraṇa or triplication. In this, half of one subtle or sukṣma element is combined with one-fourth of the other two, resulting in the gross element as follows:
This is technically called trivṛtkaraṇa. The process is similar to that of pañcikaraṇa.
- The Concise Encyclopedia of Hinduism, Swami Harshananda, Ram Krishna Math, Bangalore