Transliteration in Elsner/Jabès; NB¹: Unfortunately, the authors, who mention the name among the "various sizes and varieties", fail to provide essential details; NB²: Not having detected any confirmation in the available sources, I have the impression that there is a relation between the name of this instrument and the verb waṣala (to unite, link, create a connection; NB³: ➺ Wasla and Mauṣūl) ...