impediment (n.)
obstruction, hindrance, obstacle
Cor I.i.70 [Menenius to Citizens, of Rome's power] cracking ten thousand curbs / Of more strong link asunder than can ever / Appear in your impediment [i.e. the obstruction you present]
Cor II.iii.227 [Brutus to Citizens, of Coriolanus] we laboured, / No impediment between, but that you must / Cast your election on him [i.e. as long as there was no problem in the meantime]