Correct spelling for the English word "haddest go" is [hˈadəst ɡˈə͡ʊ], [hˈadəst ɡˈəʊ], [h_ˈa_d_ə_s_t ɡ_ˈəʊ] (IPA phonetic alphabet).
The phrase "haddest go" is a combination of the verb "haddest" and the noun "go" in Middle English. "Haddest" is the past tense form of the verb "have" in second person singular, indicating possession or obligation. "Go" refers to an action or movement.
The etymology of "haddest" can be traced back to Old English, where the verb "habban" meant "to have" or "to hold". In Middle English, it evolved into "have" and developed various forms indicating different tenses and persons.
Similarly, "go" has its roots in Old English, with the verb "gān" referring to movement or action. It has remained relatively consistent throughout the evolution of the English language.