Charak Samhita
यस्य वातः प्रकुपितः कुक्षिमाश्रित्य तिष्ठति। नाधो व्रजति नाप्यूर्ध्वमानाहस्तस्य जायते ॥३२॥
॥ Anaha (obstruction in abdomen)॥ When the vitiated vata is stuck in the belly and moves neither upwards nor downwards (neither passed through flatus nor through belching), it causes anaha (obstruction in abdomen).
english translation
yasya vAtaH prakupitaH kukSimAzritya tiSThati। nAdho vrajati nApyUrdhvamAnAhastasya jAyate ॥32॥
hk transliteration by Sanscript