a·gal 
(ə-gäl)
(ə-gäl)n.
A band or series of cords used to hold a keffiyeh in place on the head.
[Colloquial Arabic , from Arabic 'iqāl, cord for hobbling a camel, agal, from 'aqala, to confine, hobble; see ʿql in the Appendix of Semitic roots.]
agal