In ancient times, curved doors were beautiful, but the requirements for technical content were higher than those for square doors.
And there are requirements for doorframes, so it is basically useless.
However, the stone wall between the inner courtyard and the outer courtyard or the stone wall between the courtyards of large houses may
To make arched doors, this requirement is not so high, because they are not made of wooden frames.
It is made of walls.
If your home is not too troublesome, you can certainly make an arched door.