Note 118 — Chapter XI · TO HEKLA AND THE GEYSIR IN HAUKADALR.[87] (continued 2)
Reading edition
Al-manna, genitive plural from an obsolete Almenn (comp. Alemanni), is a prefix to some nouns, meaning general, common, universal. The local name of the great rift near the Althing was given because all the people met upon its eastern flank (Cleasby).