Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
* suc-cēno (subc-, succoe-), āre, 1, v. a., to eat below, dine underneath: Galba de piscibus, qui cum pridie ex parte adesi et versati postero die appositi essent, Festinemus, alii subscenant, inquit, Quint. 6, 3, 90 Spald. N. cr.