What does Tianzhu mean in Chinese?

In Chinese, Tianzhu (天竺) refers to the ancient name used for India. The term combines two characters: Tian (天), meaning “heaven,” and Zhu (竺), which is believed to refer to a region or a place, particularly the area where India is located. In the historical context, Tianzhu was used by ancient Chinese travelers and scholars to describe the Indian subcontinent. The term is associated with the rich cultural and spiritual traditions of India, particularly the spread of Buddhism, which had a significant influence on China and other parts of East Asia.

This question related to Chapter 5 Social Science Class 6th NCERT.
From the Chapter 5. India, That Is Bharat.
Give answer according to your understanding.