προαποζέω

A. boil down beforehand, Gal. 15.872:—Pass., Id. 6.623, Philagr. ap. Orib. 5.17.7: also προαπο‐ζέννυσθαι Alex.Trall. 8.1.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project