I am not joking....but you are on the right track
in reply to a message by reza
... pagona is the female form of "pagoni" (modern Greek for peacock)which is derived from the classical Greek "paon". "Paon" is, indeed, related to the latin "pavo" (http://www.perseus.tufts.edu/cgi-bin/ptext?doc=Perseus%3Atext%3A1999.04.0057%3Aentry%3D%2380197).