The spelling of the word "chhmar" may seem confusing, but it is the correct transcription of a certain sound in the Khmer language. The IPA phonetic transcription of "chhmar" is /cʰmaʔ/. The "c" represents the sound of "ch" as in "chair," and the "ʰ" indicates an aspirated consonant. The "m" represents the sound of "m" as in "man," and the final "ʔ" represents a glottal stop which indicates the end of the word. So, the correct spelling of "chhmar" accurately reflects its pronunciation in Khmer.