vibrabilis
From LSJ
πάντες γὰρ οἱ λαβόντες μάχαιραν ἐν μαχαίρῃ ἀπολοῦνται → all they that take the sword shall perish with the sword
vī̆brābĭlis: e, adj. vibro. *
I That may be brandished: ornus (i. e. hasta), Aus. Ep. 24, 108.—*
II Quivering, glimmering: sidus, Mart. Cap. 1, § 29.