1 P. To become manifest, appear, become visible, show one- self to; tamastapati gharmāṃśau kathamāvirbhavi- ṣyati Ś. 5. 14; teṣāmāvirabhūd brahmā pa- rimlānamukhaśriyāṃ Ku. 2. 2; āvirbabhū- va kuśagarbhamukhaṃ mṛgāṇāṃ yūthaṃ R. 9. 55.