After a hiatus of several centuries, formal commentary by Eustratius and Michael of Ephesus reappeared in the late eleventh and early twelfth centuries, apparently sponsored by Anna Comnena.
ˈæftɚɹ ɐ haɪˈeɪɾəs ʌv sˈɛvɹəl sˈɛntʃɚɹiz, fˈɔːɹməl kˈɑːməntˌɛɹi baɪ juːstɹˈeɪɾɪəs ænd mˈaɪkəl ʌv ˈɛfɛsəs ɹˌiːɐpˈɪɹd ɪnðə lˈeɪt ᵻlˈɛvənθ ænd ˈɜːli twˈɛlfθ sˈɛntʃɚɹiz, ɐpˈæɹəntli spˈɑːnsɚd baɪ ˈænə kəmnˈiːnə.