فتبعه فارس من السجلوقية ,فعطف عليه مسعود فقتله و صار لا يقف على شئ حتى أتى غرشسان

Nice understanding and explanation of the “عطف in its historical context, the sentence is not well quoted from the “ الكامل في التاريخ” . It says فقتله، وصار لا يقف على شيء، حتى أتى غرشستان فتبعه فارس من السلجوقية، فعطف عليه مسعود and Messoud is the name of leader.

This seems to be an old Arabic text literature , so عطف here does not mean "show sympathy" it means "incline" or "turn" to fight the city that is called فارس مسعود and صار لا يكف على شيي keeps proceed till here reached غرشستان town or city.

Massoud became sympathetic to Fares and he became not stop doing anything until Garishtan came