Merigen-
Bosworth & Toller Anglo-Saxon Old English Dictionary - merigen-
According to the Old English Dictionary:
mergen-tíd, e;
- merigen-
- f. Morning-time, morning :-- Fram ðære mǽran mergentíde óþ ðæt ǽfen cume a custodia matutina usque ad noctem, Ps. Th. 129, 6.