Amṛtā (Amrita) is one of the  fourteen gaṇa (gana; genus) of the Apsarā(s) (Apsara; Celestial courtesan). These Apsarā(s) emerged from water.

Vāyupurāṇa(69.56)
Brahmāṇḍapurāṇa (Maharṣi)(2.7.19)