Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† 1. cypsĕlus (-ellus), i, m., = κύψελος, a kind of swallow, Plin. 10, 39, 55, § 114.
2. Cypsĕlus, i, m., = Κύψελος,