Lewis Short
Angĕrōna | -ia, ium | Angĕrōnālĭa (noun F.n) : (, Macr.), , ango
* The goddess of Suffering and Silence, Plin. 3, 5, 9, § 65; Macr. S. 1, 10; Inscr. Orell. 116. —Hence, , , , her festival, Varr. L. L. 6, § 23 Müll.; Paul. ex Fest. p. 17 Müll.
Charlton T. Lewis, Charles Short, A Latin Dictionary