In the case of Siddhartha Gautama, it was a patronymic form of Gotama. Siddhartha Gautama, also known as Buddha, the founder of Buddhism, was a 6th-century BC nobleman who left his family in order to lead a life of meditation and poverty.
People with the name Nic have a deep inner desire to serve humanity and to give to others by sharing money, knowledge and experience, or creative and artistic ability.
People with the name Net have a deep inner desire for travel and adventure, and want to set their own pace in life without being governed by tradition.