icchāyā racitaṃ rūpaṃ svabhāvo yasya sa tathoktaḥ, sa ādir yasyeti vigrahaḥ / ādiśabdena naṣṭājātaparigrahaḥ /
[The compound] is analyzed as "that whose nature is a form created by imagination"; the word "ādi" includes what is destroyed and what is not yet born.