The same word is also used to refer to a sacred handclasp that is used during Mandaean rituals such as the masbuta, masiqta, and priestly initiation ceremonies.
[1] In the 69th chapter of the Mandaean Book of John, Manda d-Hayyi addresses Etinṣib Ziwa (Splendid Transplant), son of Yushamin, as "Truth, beloved by all excellencies.
[4] Book 1, chapter 1 of the Left Ginza likewise observes that Ṣauriel is called "Death" in this world, but "Truth" (Kushta) by those who know about him.
[5] Carl H. Kraeling interprets the concept of Kushta as having developed from an entity in the pleroma representing truth as the directive force of Hayyi's actions, alongside Manda d-Hayyi as his hypostatic reason.
[1] A two-volume study (Kushṭā: a monograph on a principal word in Mandaean texts) has been published by Waldemar Sundberg (1953, 1994).