What is "agneya"

Agneyi (sans. आग्नेयी, IAST Āgneyī, 'Daughter of the Fire God') is mentioned in the Harivamsha and the Vishnu Purana as the wife of Ūru (a descendant of Angiras) and the mother of the kings Anga, Sumanas, Khyaati, Kratu and Sibi (Harivamsha includes another son, Gaya). Her father Agni is the Hindu God of Fire and has been revered and worshipped throughout the Indian subcontinent right from Vedic times to the modern era.