The name Krishav is a Hindu/Sanskrit name that can be traced back to ancient India. It is derived from the combination of the words "Krishna," which refers to the Hindu deity Lord Krishna, and "av," which means "to protect" or "to shelter." Therefore, the name Krishav essentially means "protected by Krishna" or "one who is sheltered by Lord Krishna."

The name has its roots in the ancient Hindu scriptures, particularly the Bhagavad Gita and the Mahabharata, where Lord Krishna is a central figure. The name gained popularity among Hindu communities across the Indian subcontinent, and its use can be found in historical records and inscriptions dating back several centuries.

One of the earliest recorded examples of the name Krishav can be found in the 12th century CE, when a Sanskrit scholar and poet named Krishav Mishra lived in the Kalinga region (modern-day Odisha, India). He is known for his work on the Sanskrit grammar text, Ashtadhyayi.

In the 16th century, there was a prominent Rajput ruler named Krishav Singh, who ruled over the Jaipur region of Rajasthan. He was known for his military conquests and his patronage of the arts and architecture.

Another notable figure with the name Krishav was Krishav Pandita, a 17th-century Hindu religious leader and philosopher from the Kashmir region. He was known for his extensive writings on Advaita Vedanta, a philosophy that emphasizes the unity of the individual soul with the ultimate reality.

In the 19th century, Krishav Chandra Bhattacharya was a renowned Bengali scholar and writer who made significant contributions to the study of ancient Indian literature and philosophy. He was born in 1837 and died in 1908.

More recently, Krishav Sharma was an Indian freedom fighter who actively participated in the Indian independence movement against British colonial rule in the early 20th century. He was born in 1890 and died in 1970.

While the name Krishav has its origins in ancient Hindu traditions, it continues to be a popular name among Hindu communities in modern times, particularly in India and other parts of South Asia.