how did kanchipuram get its name?
From Tamil words  "Ka" meaning Brahma &"anchi" meaning worship, showing that Kanchi stands for the place where Lord Varadharaja Perumal Temple was worshipped by Lord Brahma.
Kanchipuram
Kanchipuram was known in early Tamil literature as "Kanchi" or "Kachipedu". In Tamil the word split into two: ka and anchi. "Ka" means Brahma &"anchi" means worship, showing that Kanchi stands for the place where Lord Varadharaja Perumal Temple was worshipped by Lord Brahma.
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Kanchipuram [SEP] Etymology
Kanchipuram was known in early Tamil literature as "Kanchi" or "Kachipedu". In Tamil the word split into two: ka and anchi. "Ka" means Brahma &"anchi" means worship, showing that Kanchi stands for the place where Lord Varadharaja Perumal Temple was worshipped by Lord Brahma. In Sanskrit the term Kanci means girdle and explanation is given that the city is like a girdle to the earth. The earliest Sanskrit inscriptions from the Gupta period (325–185 BCE) denote the city as "Kanchipuram", where King Visnugopa was defeated by Samudragupta. Patanjali (150 BCE or 2nd century BCE) refers to the city in his "Mahabhasya" as "Kanchipuraka".