The Hebrew word keseʾ ‘full moon’ (?) occurs in two Bible passages (Ps. 81.4; Prov. 7.20), and possibly in a third as well (Job 26.9). The word is also known in other West-Semitic languages. J.-M. Durand identifies a Mesopotamian divinity Kisa with West-Semitic keseʾ, attested in a Ugaritic god list under the form ksa (1997: 279).
In an Old Babylonian augury text (divination by birds), some omens are interpreted to signify ‘presence of Kisa’ (ma(-an)-za-az ki-sa). The fact that th…