v. Obs. [f. A- pref. 1 + STRENGTH v.] To strengthen, establish, confirm.

1

c. 1250.  Kent. Serm., in O. E. Misc. (1872), 32. Þerefore sal hure beliaue bie þe betere astrengþed.

2

1297.  R. Glouc., 180. He … bygan to astrengþy ys court.

3