Sanskrit is considered the oldest Indo-European language and has significantly influenced the development of many modern languages, including Hindi, Bengali, and Marathi.

Latin remains the official language of Vatican City, the seat of the Roman Catholic Church, and is used in official documents and ceremonies.

Greek is extensively used in the study of Western philosophy and literature, as many influential works from ancient Greece, such as those by Plato and Aristotle, are written in Greek.

Greek is the primary liturgical language of the Eastern Orthodox Church, which has a rich tradition of using Greek in its religious ceremonies and texts.

Arabic is the official language of Saudi Arabia, the birthplace of Islam, and is widely used in the Middle East and North Africa.

Sanskrit is the language of the Hindu religious texts and is considered a sacred language in Hinduism.

Al-Azhar University in Cairo, Egypt, uses Arabic as its primary language of instruction, reflecting its role as a center for Islamic studies.

Latin is widely used in the study of ancient Roman law and history, as many legal and historical documents from that era were written in Latin.

Sanskrit is recognized as a classical language in India, where it holds a special place in the country's cultural and linguistic heritage.

The University of Oxford's Classics faculty primarily uses Latin as the language of instruction, reflecting its focus on the study of ancient Roman literature and culture.

Arabic is the language of the Quran and is considered a sacred language in Islam.

The Sorbonne University's Department of Greek uses Greek as its primary language of instruction, reflecting its focus on the study of ancient Greek literature and culture.

Greek is widely used in the study of ancient Greek philosophy and drama, as many influential works from that era, such as those by Socrates and Sophocles, were written in Greek.

Latin is recognized as an official language in Vatican City, the seat of the Roman Catholic Church, and is used in official documents and ceremonies.

The University of Cambridge's Faculty of Classics primarily uses Latin as the language of instruction, reflecting its focus on the study of ancient Roman literature and culture.