Meaning
The combined throb and unrest of a heart in acute longing, writhing and unable to find peace.
Literally: writhing and restlessness
Usage & notes
This paired phrase names the doubled torment of a yearning heart, both its throbbing tarap and its sleepless bechaini. Iqbal treats such intense restlessness as the engine of striving, never as a state to be soothed away.