Karona is a corruption of Kaya-rohana(kayam:body, arohana:raising) and the temple is the twin of Kayarohana temple in Gujarat. Karonam might also have been derived from other origin such as "Kar Onam" and Lord Vishnu has been referred as "Onathan". The temple has been rebuilt by the Pallavas and Cholas.
The Thyagarajar Temple at Tiruvarur is famous for the ajapa thanam (dance without chanting), that is executed by the deity itself. According to legend, a Chola king named Mucukunta obtained a boon from Indra(a celestial deity) and wished to receive an image of Thyagaraja Swamy(presiding deity, Shiva in the temple) reposing on the chest of reclining Lord Vishnu. Indra tried to misguide the king and had six other images made, but the king chose the right image at Tiruvarur. The other six images were installed in Thirukkuvalai, Nagapattinam, Tirukarayil, Thirunallar, Thiruvaimur and Tirumaraikadu. All the seven places are villages situated in the river Cauvery delta. All seven Thyagaraja images are said to dance when taken in procession(it is the bearers of the processional deity who actually dance). The temples with dance styles are regarded as Saptha Vidangam(seven dance moves) and the related temples are as under: