Correct spelling for the English word "Acock" is [ˈakɒk], [ˈakɒk], [ˈa_k_ɒ_k] (IPA phonetic alphabet).
The word "acock" has its roots in Middle English. Its origin can be traced back to the phrase "a cok" or "on cok", which translates to "on the cock" or "on the spur of the cock". The term "cock" here refers to the spurring action of a rooster or the arrogance and boldness associated with it. Over time, the phrase "a cok" evolved into "acock", retaining the meaning of being bold, confident, or showing an arrogant attitude.