tahrir
a type of vocal ornamentation; especially the variant used in the Near and Middle East
Karimi includes an extensive tahrir within the final syllable of the verse ...
Where it comes from
Borrowed from Persian تحریر (tahrir), from Arabic تَحْرِير (taḥrīr, “liberation; release”).
Adapted from the Wiktionary entry tahrir (CC BY-SA 4.0).