ppl. a. (UN-1 8.)

1

1847.  Webster, s.v., Unleached ashes.

2

1884.  L. F. Allen, New Amer. Farm Bk., 81. Eight bushels of unleached wood ashes.

3

1898.  Jrnl. Sch. Geog. (U.S.), Oct., 288. Unleacht samples of many rocks.

4