Correct spelling for the English word "most appellated" is [mˈə͡ʊst ɐpˈɛlətɪd], [mˈəʊst ɐpˈɛlətɪd], [m_ˈəʊ_s_t ɐ_p_ˈɛ_l_ə_t_ɪ_d] (IPA phonetic alphabet).
The word "appellated" is not commonly found in the English language, and as a result, there is no widely accepted etymology for it. It appears to be a derivative form of the verb "appellate", which means to appeal or to call by name. "Appellate" is derived from the Latin word "appellatus", which is the past participle of "appellare", meaning to address or call upon. However, the word "most" preceding "appellated" suggests a superlative form, indicating that someone or something has been granted the most appeals. As such, "most appellated" is likely a coined term specifically used in a legal context to refer to the entity or individual with the highest number of appeals.