कल्पान्तरे विश्वासटिप्पन्यः

Secondary references

kANe v3.
Also see “India entry” page and in AryAvarta topic v2p13 for context regarding the fluid definition of AryAvarta.

Prohibitions

baudhAyana lists sea voyage among patanIya-s. manu says that a brAhmaNa who has crossed the seas is not worthy of being invited to a shrAddha.
“अस्माकमुदधिपारगतत्वमाकाशमार्गचारिणा वायुयानेनाऽभवन्न तु जलकपोतयानेन समुद्रसंयानेन वा (कृष्णयजुर्वेदीयतैत्तिरीयशाखाया: बौधायनधर्मसूत्रेषु २.१.२.२. – “समुद्रसंयानम्” – अत्र विवरणव्याख्यानकर्तुः श्रीगोविन्दस्वामिनोऽभिप्राय: समुद्रयानेन/जलपोतयानेन द्वीपावान्तरयात्रायां पर्यवस्यति न त्वाकाशमार्गेण वायुयानेन) ।” इति केचित्।

shivAchArya-s

“Dr. S.P. Sabharathnam Sivachariyar, South India’s foremost expert on the Saiva Agamas, said, “Rules related to the crossing of the ocean are laid down only in a few Dharma Sastras. Such rules are not to be found in the Vedas, Puranas, Saiva Agamas or Vaishnava Agamas. Yati Dharma Samucchaya, one of the most authentic texts dealing with the life system of the yati (mendicants and swamis), goes to the extent of saying that monks should be wandering throughout the world, even crossing the oceans. It says that to keep limited by the boundaries of one particular town or country is quite contrary to the high and noble visions of an enlightened yati.”

Members of his priest caste, the Sivachariyars, freely travel abroad both for special functions and to serve as resident priests of temples in the West.” - HT

History

“Various brahmanas historically have done it and helped established hindu kingdoms in south east. They’ve composed mantra manuals of which few fragments survive - eg. khADgArNava fragments from Indonesia.”
Plausible tales: “Pallavamalla narasimhavarmans pancaraatrin guru came from cambodia/malaysia by sea. The guru is depicted on walls of vaikuntha perumal temple. "