Meaning of ABACK in English

ABACK

If you are taken ~ by something, you are surprised or shocked by it and you cannot respond at once.

Roland was taken ~ by our strength of feeling...

PHRASE: usu v-link PHR, oft PHR by n

Collins COBUILD.      Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) .