Lewis Short
(verb) : prae-ungo, no
* Perf., unctum, 3, , to smear or anoint before (post-class.): praeungendum est vulnus,Theod. Prisc. 1, 19: digitus praeunctus adipe anserino,Cael. Aur. Tard. 4, 3, 45.
Charlton T. Lewis, Charles Short, A Latin Dictionary