Complex sentence: As per local legend, the word "Thanjavur" is believed to be derived from "Tanjan", an asura (giant) in Hindu mythology, killed at this spot by the Hindu god Vishnu in the form of Neelamegha Perumal.
Split into simpler sentences: As per local legend, the word "Thanjavur" is believed to be derived from "Tanjan", an asura (giant) in Hindu mythology. He was killed at this place by the Hindu god Vishnu in the form of Neelamegha Perumal.