Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† authepsa, ae, f., = [?AU)QE/YHS [AU)TO/S C)/YW ?], a self-cooker], a utensil for cooking (somewhat like our tea-urns): in quibus (vasis) est authepsa illa, quam tanto pretio nuper mercatus est, Cic. Rosc. Am. 46, 133: argenteae, Lampr. Elag. 19.