Tel: ఖమ్మం khammaṁ
‘Pillar Rock’ [Stambhadri, Kambhadri, Kambham mettu] City/District, Telangana
From Tel: stambhamu/kambamu, ‘pillar’
The name is derived from the vertical rock under the Narasimha Swamy hill-top temple.
The Khammam fort was built in the 13thC by the Musunuri Nayaks, a dynasty which emerged from the Kakatiya kingdom.
For related place names see Indian Place names and Telangana place names.

Khammam City as seen from Narasimha Swamy hill in Khammam Nikhilb239