The spelling of the word "dunkley" is fairly simple. In IPA phonetic transcription, it is /ˈdʌŋkli/. This means that the first syllable is pronounced with a short "u" sound, followed by the "ng" consonant blend. The second syllable contains a long "e" sound and ends with the "ly" suffix. There are no irregularities in the spelling of this word, and it is commonly used as a surname.
The word "Dunkley" is actually a surname rather than a common word with a known etymology. Surnames often have diverse origins and can be derived from different sources such as occupations, geographical locations, personal names, or even nicknames. The etymology of "Dunkley" is uncertain, and its exact origin may vary depending on individual cases. It could be derived from a place name, such as the village of Dunkley in England, or it might stem from a personal name or nickname. Further research into specific individuals or localized history might provide more insight into the origin of this particular surname.