Everyone knows what roofing means. This is worse than dualling. At least then, as my roommate pointed out, I sort of learned something. It dates from at least 1440 though. I suppose that's something. Still, this is disappointment upon disappointment. Can one traipse upon roofing?
c1440 Pallad. on Husb. I. 383 (Bodl. MS.), And lete hem drie er..rovyng [be] sette uppon, lest all be shent.