ἤνυστρον

τό
A. fourth stomach of ruminating animals, Arist. PA 674b15, HA 507b9 (not the first stomach, as Poll. 2.204, Hsch.); as a dish, Ar. Eq. 356, 1179, Alex. 273: pl., Diox. 1:—written ἔνυστρον in LXX De. 18.3, Ma. 2.3, ἔν‐ condemned by Phryn. 140.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project