बहिरन्तःकरणयोर्व्यापारान्तररोधकम् ।
स्वकारणादिसंश्लेषि चमत्कारि सुखं रसः ॥
bahir-antaḥkaraṇayor vyāpārāntara-rodhakam |
sva-kāraṇādi-saṁśleṣi camatkāri sukhaṁ rasaḥ ||
(Alaṅkāra-kaustubha: 5.11)
“The wondrous joy embracing of its own causes and so forth [i.e., vibhāvas, anubhāvas, etc.] and obstructing of the other functions of the external and internal faculties [i.e., of the functions of the senses, the psyche] is [called] rasa.”