Kunyat : usually applied for a parent, it is the way of calling him or her by the name of his or her oldest son (such as saying "father of so-and-so" or "mother of so-and-so"), or it may be applied out of respect, a tradition usually followed in Arab countries, and it is applied as a prefix to one's name.
KUNYAT
Meaning of KUNYAT in English
Advanced Islamic English dictionary. Расширенный исламский словарь английского языка. 2012