From Wiktionary, the free dictionary
شَجَن or شُجُن • (šajan or šujun) m
- worry, anxiety
- sadness, sorrow, melancholy
بَيْنَ أَوْرَاقِ الْخَرِيفِ تَشْعُرُ بِشُجْنِ الْوِدَاعِ.- bayna ʔawrāqi l-ḵarīfi tašʕuru bišujni l-widāʕi.
- Among the autumn leaves, you feel the melancholy of parting.