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
zweispännig, biiugis; biiugus. – ein z. Wagen, bīgae. – z. fahren, bigis vehi; equis od. iumentis iunctis vehi.