What is India called in Japan?

India in Japanese: A Glimpse into an Ancient Name

Today, India is commonly known as "Indo" in modern Japanese, borrowed from the English pronunciation. But long before globalization reshaped language, Japan had a more poetic name for the subcontinent: Tenjiku.

This term, now largely obsolete, traces its roots back to ancient times. Tenjiku comes from the Japanese pronunciation of the classical Chinese name "Tianzhu", which was used by Chinese Buddhist monks and scholars over a thousand years ago to refer to India. The word itself is a transliteration of the Sanskrit "Indu," related to "Sindhu," the ancient name for the Indus River. But over time, Tenjiku took on a mystical quality in Japanese culture — the literal meaning being "heavenly domain" or "land of heaven."

This wasn't just a geographical label. For early Japanese Buddhists, Tenjiku symbolized the spiritual heart of Buddhism — the land where the Buddha lived, taught, and attained enlightenment. Ancient texts and temple art often depict Tenjiku as a distant, sacred land, full of sages and wonders.

While you won’t hear "Tenjiku" in everyday conversation today, the term lingers in classical literature, religious contexts, and even in the names of certain traditional dishes — like "Tenjiku-ninjin," an old name for carrots, believed to have come from the West via India.

So, while modern Japan calls India "Indo," the poetic echo of Tenjiku remains — a quiet reminder of a time when India was seen not just as a place on a map, but as a spiritual beacon across the seas.