Obs. Forms: 4 febliss, 46 feblis(s)h, 6 feeblysh, 57 feeblish. [a. OF. *febliss-, lengthened stem of *feblir (recorded forms foiblir, flebir), f. feble: see FEEBLE a.] trans. To render feeble, weak, or infirm; to enfeeble; = FEEBLE v. 2.
1375. Barbour, Bruce, XIV. 349. With hungyr he thoucht thame to Febliss.
1477. Earl Rivers (Caxton), Dictes, 64. Alle thinges be amunysshed & feblisshed by Iniustice.
1528. Paynell, Salernes Regim., C iij b. They assende and gether to gether feblysshynge the guttes.
1599. Hakluyt, Voy., II. I. 68. All Christendome was sore decayed and feeblished by occasion of the warres betweene England and France.
Hence Feeblishing vbl. sb.
1580. Baret, Alv., F 346. Feeblishing, infirmatio.
1634. H. R., Salernes Regim., 116. Except yee dread great feeblishing of Nature.