Correct spelling for the English word "Affrightful" is [ɐfɹˈa͡ɪtfə͡l], [ɐfɹˈaɪtfəl], [ɐ_f_ɹ_ˈaɪ_t_f_əl] (IPA phonetic alphabet).
The word "affrightful" is a combination of two words, "affright" and "-ful".
The term "affright" originated from Middle English and is derived from the Old English word "afrīhtan", which means "to frighten, terrify". It combines the prefix "a-" meaning "on, to" and the root "frighten", which has Germanic origins.
The suffix "-ful" is an English suffix that means "full of" or "characterized by". It is derived from Old English "-full", which ultimately comes from the Proto-Germanic "-fullaz".
Therefore, when combined, "affrightful" means "full of fright" or "characterized by fright or terror".