In 1996, Madras was renamed Chennai to shed its British colonial past and celebrate its native Tamil roots. Ironically, the new name has absolutely no meaning in Tamil.
The push to rename the city was part of a sweeping, nationwide decolonization movement across India in the 1990s and 2000s. Driven by a desire to discard Anglicized place names imposed by the British Empire, local governments reverted to regional linguistic identities. Bombay became Mumbai in 1995, Calcutta became Kolkata in 2001, and Chief Minister M. Karunanidhi officially announced the transition for Madras on July 17, 1996.
The name "Madras" had colonial baggage because it was popularized by the British East India Company. When the British purchased a small strip of coastal land in 1639 to build Fort St. George, the area was known locally as Madraspatnam. Over the next three centuries, the British settlement swallowed up surrounding villages, and the British simply shortened the name to Madras to refer to the entire sprawling metropolis.
When it came time to find a replacement name, the state government looked to the historical counterpart of Madraspatnam. The southern portion of the original 17th-century settlement was known as Chennapatnam. It was named in honor of Damarla Chennappa Nayakudu, a Telugu chieftain and regional ruler under the Vijayanagara Empire. It was Chennappa's sons who actually sold the land to the British.
Because the modern name "Chennai" is simply a shortened form of Chennapatnam, it is derived entirely from a Telugu personal name and a South Indian suffix for a coastal town (pattanam). Consequently, the word has no direct, literal meaning in the Tamil language itself.
There have been occasional attempts at folk etymology to give the city a native Tamil origin story. Some linguistic accounts try to link "Chennai" to the Old Tamil word chenni, which translates to "head" or "face." Proponents of this theory argue the name metaphorically describes the city as the forehead or gateway to the southern peninsula. However, historical consensus rejects this, confirming that the flagship city of Tamil Nadu carries a name that honors a 17th-century Telugu leader.