Shiva Purana
ततश्च पतितः कर्णान्मणिश्च पुरतः प्रभो ॥ तद्बभूव महत्तीर्थं नामतो मणिकर्णिका॥ १४॥
Then a jewel fell in front from the ear of the lord. It became the great holy centre named Maṇikarṇikā.
english translation
tatazca patitaH karNAnmaNizca purataH prabho ॥ tadbabhUva mahattIrthaM nAmato maNikarNikA॥ 14॥
hk transliteration by Sanscript