Midder-niht

According to the Old English Dictionary:

(?)

midder-niht

midnight :-- On éfentíd l on middernæht (midder [ = midre ?] næht; middum næht, L. ) sero au media nocte, Mk. R. 13, 35. Æd middernæht, Lk. p. 7, 3 : Lk. L. R. 11, 5. [Cf. Ger. mitter-nacht from O. H. Ger. zi mittern naht.] midder-niht