Prithvi is the sanskrit

Sanskrit

Sanskrit , is a historical Indo-Aryan language and the primary liturgical language of Hinduism, Jainism and Buddhism.Buddhism: besides Pali, see Buddhist Hybrid Sanskrit Today, it is listed as one of the 22 scheduled languages of India and is an official language of the state of Uttarakhand...

 name for earth

Earth

Earth is the third planet from the Sun, and the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar System's four terrestrial planets...

 and its essence Prithivi Tattwa, in the form of a mother

Mother

A mother, mum, mom, momma, or mama is a woman who has raised a child, given birth to a child, and/or supplied the ovum that grew into a child. Because of the complexity and differences of a mother's social, cultural, and religious definitions and roles, it is challenging to specify a universally...

 goddess

Goddess

A goddess is a female deity. In some cultures goddesses are associated with Earth, motherhood, love, and the household. In other cultures, goddesses also rule over war, death, and destruction as well as healing....

 or godmother. Prithvi is also called Dhra, Dharti, Dhrithri, meaning that which holds everything. As Prithvi Devi, she is one of two wives of Lord Vishnu

Vishnu

Vishnu is the Supreme god in the Vaishnavite tradition of Hinduism. Smarta followers of Adi Shankara, among others, venerate Vishnu as one of the five primary forms of God....

. His other wife is Lakshmi

Lakshmi

Lakshmi or Lakumi is the Hindu goddess of wealth, prosperity , light, wisdom, fortune, fertility, generosity and courage; and the embodiment of beauty, grace and charm. Representations of Lakshmi are also found in Jain monuments...

. Prithvi is another form of Laxmi. Another name for Her is Bhumi

Bhumi

Bhumi can mean:* Bhūmi, Hindu goddess of the earth**also, earth as a classical element in Hindu tradition* Bhumi , the ten stages a Bodhisattva advances through in the path to become a Buddha...

 or Bhudevi or Bhuma Devi

Bhuma Devi

Bhūmi , also Bhūmī-Devī is the divine wife of Varaha, an Avatar of Vishnu. She is the representative goddess, Mother Earth. According to Hindu mythology, the divine saint Andal is a form of her. The demon Narakasura is her son. She is the mother of Sita,...

.

As Prithvi Mata "Mother Earth" she contrasts with Dyaus Pita "father sky".