Natyashastra

siva.sh/natyashastra/6/6/1

अथ भयानको नाम भयस्थायिभावात्मकः । स च विकृतरवसत्त्वदर्शनशिवोलूकत्रासोद्वेगशून्यागारारण्यगमनस्वजनवधबन्ध- दर्शनश्रुतिकथादिभिर्विभावैरुत्पद्यते ।तस्य प्रवेपितकरचरणनयनचपलपुलकमुखवैवर्ण्यस्वरभेदादिभिरनुभावैरभिनयः प्रयोक्तव्यः । भावाश्चास्य स्तम्भस्वेदगद्गदरोमाञ्चवेपथुस्वरभेदवैवर्ण्यशङ्कामोहदैन्यावेग- चापलजडतात्रासापस्मारमरणादयः । अत्रार्याः - विकृतरवसत्त्वदर्शनसंग्रामारण्यशून्यगृहगमनात् । गुरुनृपयोरपराधात्कृतकश्च भयानको ज्ञेयः ॥ १॥

sanskrit

Now the Terrible (bhayānaka) Sentiment has as its basis the Durable Psychological State of fear. This is created by Determinants like hideous noise, sight of ghosts, panic and anxiety due to [untimely cry of] jackals and owls,[30] staying in an empty house or forest, sight of death or captivity of dear ones, or news of it, or discussion about it. It is to be represented on the stage by Consequents, such as trembling of the hands and the feet, horripilation, change of colour and loss of voice. Its Complementary Psychological States are paralysis, perspiration, choking voice, horripilation, trembling, loss of voice, change of colour, fear, stupefaction, dejection, agitation, restlessness, inactivity, fear, epilepsy and death and the like. On these points there are two traditional Āryās: The Terrible Sentiment is created by hideous noise, sight of ghosts, battle, entering an empty house or forest offending one’s superiors or the king

english translation

atha bhayAnako nAma bhayasthAyibhAvAtmakaH | sa ca vikRtaravasattvadarzanazivolUkatrAsodvegazUnyAgArAraNyagamanasvajanavadhabandha- darzanazrutikathAdibhirvibhAvairutpadyate |tasya pravepitakaracaraNanayanacapalapulakamukhavaivarNyasvarabhedAdibhiranubhAvairabhinayaH prayoktavyaH | bhAvAzcAsya stambhasvedagadgadaromAJcavepathusvarabhedavaivarNyazaGkAmohadainyAvega- cApalajaDatAtrAsApasmAramaraNAdayaH | atrAryAH - vikRtaravasattvadarzanasaMgrAmAraNyazUnyagRhagamanAt | gurunRpayoraparAdhAtkRtakazca bhayAnako jJeyaH || 1||

hk transliteration by Sanscript