Heáh-mæsse
Bosworth & Toller Anglo-Saxon Old English Dictionary - heáh-mæsse
According to the Old English Dictionary:
an;
- heáh-mæsse
- f. High mass, L. E. I. 45; Th. ii. 440, 32, 34: 442, 3: Chr. 1125; Erl. 254, 2. [Icel. há-messa: Ger. hoch-messe.] heah-mæsse