प्लक्षद्वीपवर्णनम्
Description of Plakṣa-dvīpa
अपां वृद्धिः क्षयो दृष्टः सामुद्रीणां तु पर्वसु / द्विराप्कत्वात्स्मृता द्वीपाः सर्वतश्चोदकावृताः
apāṃ vṛddhiḥ kṣayo dṛṣṭaḥ sāmudrīṇāṃ tu parvasu / dvirāpkatvātsmṛtā dvīpāḥ sarvataścodakāvṛtāḥ
In the ocean’s parvas (periodic turns), the waters are seen to increase and decrease; the continents are called dvirāpka, for they are enclosed by water on every side.