H3594. Kiyyun
כִּיּוּן proper name, of deity [Amos 5:26], probably = Assyrian kaivânu, planet Saturn (Arabic and Persian Syriac ), regarded as god; original pronunciation כֵּיוָן SchrCOT on the passage, compare Köii. 151 (pointing כִּיּוּן intended to suggest √ כון as something established, firm); kaimânu = kaiânu, according to JenCosm. iii. 502 who derives from כון (compare Thes; so ZimBP 17); > HptZA ii. 266, 281 f. reads כַּיָּוָן (for כְּאָמָן*), reading the Babylonian name Ka°âmânu; see also M-AJBL 1892, xi. 86 n. 39.
כִּיּוֺר, see below I. כור.