Correct spelling for the English word "doggoning" is [dˈɒɡənɪŋ], [dˈɒɡənɪŋ], [d_ˈɒ_ɡ_ə_n_ɪ_ŋ] (IPA phonetic alphabet).
The word "doggoning" does not have a well-established etymology on its own as it is primarily considered a colloquial or slang term. However, it is derived from the word "doggone", which can be traced back to the early 19th century in the United States.
"Doggone" is a euphemistic alteration of the word "goddamn", meant to soften the swear word. It became popular in American English as a mild expletive or as a way to express annoyance or frustration. The specific origin of "doggone" is uncertain, but it is believed to have derived from a combination of the words "dog" and "gone" or "dang".
Over time, the "-ing" form "doggoning" might have been created to serve as a verb form, similar to how other words are turned into gerunds or present participles.