re+MISS you miss something repeatatively because of NEGLIGENCE, CARELESSNESS.
repeat+miss, A negligent person will repeatedly miss important things
Everything is amiss because he's remiss.
Remiss:U repeatedly miss ur duty when u are negligent
u miss the opportunity again and again cuz u r negligent
re=again...miss=miss a questn in exam....ie he missed the question again in the exam,,ie he is being negligent