Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
jento, āvi, ātum, 1, v. n. [contr. for jejunito from jejunus], to breakfast: quod pulli jentent, Varr. ap. Non. 126, 14; Afran. ib.; Suet. Vit. 7: ut jentes, sero venis, Mart. 8, 67.