extaris
Could not find extarem in Logeion dictionaries.
extarem Adjective: feminine accusative singular, Adjective: masculine accusative singular of extaris
extāris, e, adj. [exta],
- of or belonging to the entrails (very rare): aula (i. e. olla), for cooking entrails, Plaut. Rud. 1, 2, 47 (135).
extāris, e (exta), zum Kochen der Eingeweide dienlich, aula, Plaut. rud. 135.
extāris, e, adj. (exta), qui concerne les entrailles des victimes : Pl. Rud. 135.