ἔγνω δὲ φώρ τε φῶρα καὶ λύκος λύκον → the thief knows the thief and the wolf knows the wolf, and thief knows thief and wolf his fellow wolf, set a thief to catch a thief
dīlapsus: a, um, Part., from dilabor.
(1) dīlāpsus, a, um, part. de dilabor.
(2) dīlāpsŭs, ūs, m., c. dilapsio : Euch. Form. 4.
dilapsus, a, um. part. v. dilabor. :: Glacies dilapsa 化開之冰。