Lágamessa

As defined by A Concise Dictionary of Old Icelandic (Geir Zoëga):

lágamessa

f. the ‘low chant’ (in the Roman Catholic Mass).

Possible runic inscription in Younger Futhark:ᛚᛅᚴᛅᛘᛁᛋᛋᛅ

Also available in related dictionaries:

This headword also appears in dictionaries of other languages closely related to Old Icelandic.

• Old Norwegian - Johan Fritzner's Dictionary