The spelling of "koksagyz" is based on the Kazakh language. The first syllable, "kok", is pronounced with a voiceless velar stop and an open-mid back rounded vowel, written as /kɔk/. The second syllable, "sa", is pronounced with a voiceless alveolar sibilant and an open front unrounded vowel, written as /sɑ/. The final syllable, "gyz", is pronounced with a voiced velar fricative and a close front unrounded vowel, written as /gɯz/. Together, the word is written as /kɔksɑgɯz/.
The etymology of the word "koksagyz" is not clear as it does not have widely recognized origins or documented etymology. However, "koksagyz" appears to be a Turkic name primarily used in Kazakhstan, and it may have Turkic roots. Unfortunately, without further information or linguistic research, a more specific etymology cannot be provided.