Correct spelling for the English word "earll" is [ˈɜːlə͡l], [ˈɜːləl], [ˈɜː_l_əl] (IPA phonetic alphabet).
The word "earl" originated from the Old English word "eorl", which can be traced back to the Proto-Germanic word "erlaz". It is believed to have been derived from the Proto-Indo-European root "*erə-", meaning "man" or "warrior".