Un-dirne

According to the Old English Dictionary:

-dierne, -dyrne;

un-dirne

adj. Not hidden, discovered, revealed, manifest :-- Gif mon áfelle on wuda wel monega treówa and wyrð eft undierne (-dyrne, MS. B.), L. In. 43; Th. i. 128, 20: 44; Th. i. 130, 3. Ðæt wearð underne eorðebúendum, ðæt Meotod hæfde miht, Cd. Th. 265, 1; Sat. 1. Wíde wearð wyrd undyrne, Apstls. Kmbl. 84; Ap. 42. Ðá wæs Grendles gúðcræft gumum undyrne, Beo. Th. 255; B. 127: 4004; B. 2000. Bið him synwracu andweard undyrne the punishment of sin shall stand revealed before them, Exon. Th. 94, 16; Cri. 1541. Nú is undyrne werum, hú ða wihte hátne sindon, 429, 19; Rä. 43, 15. Ic wordum wemde wyrd undyrne, Andr. Kmbl. 2959; An. 1482. Ic gearwe wát ðæt ðé (God) siendan ealle wísan (printed wifan) undierne and cúðe dínre ðære hálgan þrynesse, Anglia xi. 97, 7. Nuncupatio est undyrne yrfebéc, Wrt. Voc. ii. 62, 24. un-dirne