[11] The word Vellalar (வெள்ளாளர்) may originate from the root Vellam for flood, denoting their ability to control and store water for irrigation purposes.
An early Tamil tradition states that a king known as Ādonda Chakravarthi brought a large number of agriculturists (now known as the Tuluva Vellalas) from the Tulu areas in order to reclaim forest lands for cultivation in Thondaimandalam.
[14] Scholar M. Arokiaswami identifies Tondaiman Ilandiraiyan with king Adondai Chakravarthi, the legendary figure who is referred to in the Mackenzie Manuscripts.
[15] Sometimes this migration of Thuluva Vellalas is also assigned to later Chola times when Hoysala Ballalas of Karnataka had occupied portions of Kanchipuram and Trichy.
[16] Their original stronghold in present-day Tamil Nadu was Thiruvannamalai in North Arcot district, the town that served as the capital of the Hoysala king Veera Ballala III in the 14th century.
These primary groupings can be further divided into sub-categories, including: These sub-groupings often signify deeper historical and cultural connections within the broader Shiva or Vishnu lineages.