Lewis Short
ĕpĭnyctis (noun F) = ἐπινυκτίς: .
* Night-blains, pustules that arise in the night, Plin. 20, 2, 6, § 12 (in Cels. 5, 28, 15, written as Greek).
* A kind of sore in the eyelid; also called syce, Plin. 20, 6, 21, § 44.
Charlton T. Lewis, Charles Short, A Latin Dictionary