The name Amritha is of Indian origin, derived from the Sanskrit word "amrita," which means "immortal" or "divine nectar." This word is closely associated with Hindu mythology and is believed to have originated during the Vedic period, which dates back to around 1500-500 BCE.

The term "amrita" is mentioned in several ancient Hindu scriptures, including the Vedas and the Puranas. It is often depicted as a divine elixir of immortality that emerged during the legendary "Samudra Manthan" or the churning of the cosmic ocean. This mythological event is described in various Hindu texts, such as the Bhagavata Purana and the Vishnu Purana.

The earliest recorded use of the name Amritha can be traced back to ancient India, where it was given to children as a symbol of divine blessings and longevity. Some notable historical figures who bore this name include:

1. Amritha Shera (c. 1009 CE - c. 1070 CE), a renowned Kashmiri poet and scholar who wrote extensively on philosophy, spirituality, and love.

2. Amritha Simha (c. 1475 CE - c. 1550 CE), a celebrated poet and writer from the Vijayanagara Empire, known for his contributions to Telugu literature.

3. Amritha Devi (c. 1723 CE - c. 1795 CE), a prominent female mystic and spiritual teacher from Bengal, revered for her devotional poetry and teachings on Bhakti Yoga.

4. Amritha Kaur (c. 1858 CE - c. 1936 CE), a Sikh activist and social reformer who played a significant role in the Indian independence movement.

5. Amritha Pritam (1919 CE - 2005 CE), one of the most influential poets of the 20th century, who wrote in Punjabi and Hindi. Her work explored themes of love, patriotism, and the Partition of India.

The name Amritha has been popular across various regions of India, particularly in the southern states, where it is often associated with Hindu traditions and cultural identity. Over time, it has also gained popularity in other parts of the world, reflecting the global reach and influence of Indian culture.