O has been written the same way since early Semitic times, but since there were no vowels in the written language, this form signified a guttural "C" sound, from the word cayin (eye). The Greeks assigned it the "O" sound. (Rose Folsom)
Artslice is a place to learn a new "art word" or artist a day. There will be fun facts to know and tell taken from the pages of art history as well as current working artists. Enjoy and come back again!