v. Obs. [f. EN-1 + STRENGTHEN.] trans. To strengthen, make strong.
1538. Leland, Itin., II. 75. A famose Toun or Castelle apon a very Torre or Hille, wunderfully enstrengthenid of nature.
1539. Proclam. Hen. VIII., in Froude, Hist. Eng., III. 366. Until such time as they, enstrengthened, may be able to go in like pace with them.
1654. Cokaine, Dianea, II. 162. Enstrengthening himselfe to receive that soule which by the right of Love he supposed belonged to him.