According to the Oxford Dictionary the word calligraphy means "The art of producing decorative handwriting or lettering with a pen or brush".
According to the Etymology dictionary the word calligraphy comes from Greek kaligraphia, from kallos "beauty" + graphein "to write". The usual combination form in Greek was kalli- "beautiful, fine, happy, favorable;" kalo- was a later, rarer alternative form.
Other words refered to kalli- are: Calliope and calliphygian. Refering to kallos are: Calisthenics. And belong to graphein are: Choreography, typography and cartography.
We can see the use of the word calligraphy in this article.
Noel Solar Muiño. 3ºA. @nooelsm_