Vāyu dvayasya saṁghaṭṭāt, when these two breaths meet, . . . They meet at one place. The beginning of ingress is the ending point of egress; the beginning of prāṇa is the ending point of apāna. That i
not yet formally done — never invented
attention-seat: prāṇa-apāna junction · do: rest attention where ingress ends and egress begins