back of

1969 in 2004 Montgomery–Hall Dict. Smoky Mt. Engl. 33 wNC, eTN, I heared him say back of that . . way back a few years before that you could get four acres for a dollar. Ibid, Back of that, he just minded every word I said to him. 1986 Pederson LAGS Concordance, 1 inf, cnGA, Back of that = before. 1990 Cavender Folk Med. Lexicon 17 sAppalachians, Back of this—a phrase meaning “before this”: “Back of this, I had headaches and vomited a lot.”