1. This is a Shiva temple and is one among the 1p8 Divyadesham temples. Also known as Shiva Kanchi.
2. Pancha Bhootha shtalam refers to five Shiva temples representing the five elements of nature-fire, air, sky, water and earth. In this shrine, Lord Shiva is said to have manifested himself in the form of Prithvi or earth.
3. According to a legend, Devi Parvati/Kamakshi worshipped Lord Shiva in the form of a lingam, made of sand under a mango tree. The neighboring Vagavathi river started overflowing sand threatened to engulf the lingam. Due to this, Devi Parvati embraced the lingam to protect it. Lord Shiva, touched by this gesture, appeared in his human form and married her. In this context, he is referred to as 'Tazhuva Kuzhainthaar' meaning he who melted in her embrace in Tamil. Also, Ekambaranathar means Lord of the Mango tree in Tamil and temple is named after this. The mango tree is still present in the premises.