The spelling of "Beth Knight" can be described using the International Phonetic Alphabet (IPA). The first syllable, "Beth," is pronounced as /bɛθ/, with the "e" pronounced as a short vowel sound. The second syllable, "Knight," is pronounced as /naɪt/, with the "i" pronounced as a long vowel sound. The "k" is silent, and the "gh" is pronounced as /t/. Therefore, the correct spelling of "Beth Knight" reflects the distinct sounds heard in its pronunciation.
There is no widely recognized etymology for the term "Beth Knight" as it appears to be a name or a combination of names. "Beth" is a given name of Hebrew origin, short for Elizabeth, which means "God is my oath". "Knight" is a surname of English origin, originally referring to a medieval warrior or nobleman. It is highly likely that "Beth Knight" is simply a combination of these two names, possibly as a full name of an individual.