Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† ĕbĕnus, v. hebenus.
hĕbĕnus (less correctly ĕbĕnus, Rib. Prol. Verg. p. 421), i. f., Gr. [?E/(BENOS, E/)BENOS ?], the ebon-tree, ebony: Diospyros ebenum, Linn.; Plin. 16, 40, 76, § 204; 6, 30, 35, § 197; Verg. G. 2, 117; Ov. M. 11, 610; Pers. 5, 135; cf. Isid. Orig. 17, 7, 36.