sṛṣṭi-ādi-nimitte - for the cause of creation, maintenance and annihilation; yei - which; amśera avadhāna - manifestation of the part; sei ta' - that certainly; amśere kahi - I speak about that plenary expansion; avatāra nāma - by the name 'incarnation.'

That fragment of the Supreme Lord, known as the Mahā-puruṣa, appears for the purpose of creation, maintenance and annihilation and is called an incarnation.