Deópnes

According to the Old English Dictionary:

diópnes, -ness, -nys, -nyss, -niss, e;

deópnes

f. DEEPNESS, depth, an abyss; prŏfundum, altitūdo, ăbyssus = άβυσσos, vŏrāgo :-- Onafæstnod ic eom on líme deópnesse ... ic com on deópnysse sǽ infixus sum in līmo profundi ... vēni in altitudĭnem măris, Ps. Lamb. 68, 3. Ǽnig ne wát ða deópnesse Drihtnes mihta no one knows the depth of the Lord's might, Hy. 3, 33; Hy. Grn. ii. 282, 33. Is neowelnes oððe deópnes swá swá scrúd oððe hrægl gegyrlu oððe wǽfels his est abyssus sicut vestimentum amictus ejus, Ps. Lamb. 103, 6. Deópnys abyssus, Ælfc. Gl. 98; Som. 76, 91; Wrt. Voc. 54, 35. Nywelnes oððe deópnys deópnissa gecígd abyssus abyssum invŏcat, Ps. Lamb. 41, 8. On ðære hellícan deópnysse in the hellish abyss, Nicod. 24; Thw. 12, 20. Gesettende on goldhordum diópnyssa oððe nywelnyssa ponens in thesauris abyssos, Ps. Lamb. 32, 7. Cwicsúsl vel helelíc deópnes barathrum, vorāgo profunda, Ælfc. Gl. 54; Som. 66, 97; Wrt. Voc. 36, 20. deopnes