quaint - Dictionary definition and meaning for word quaint
If you know someone already, you call them ac + quaint. That is because, they are already known to you (old).
quaint can be closely related with the word "FAINT" where you need to take the meaning as faint colors which are ODD,OLD FASHIONED.
If you PAINT that house, you will destroy its old fashioned charm.
quaint rhymes with PAINT..something is good to paint implies it's picturesque,attractive,charming and if i want to paint something unpleasant/ugly ,im an ECCENTRIC,weird,bizarre person