from The Century Dictionary.
- noun The weak declension of Teutonic nouns and adjectives, in which the stem ends in n.
Sorry, no etymologies found.
In the Southern dialects the old n-declension was applied, and so there arose such forms as minum and eowrum (= mine and yours), from min and eower (= my and your).
Without question this retention of the n in these pronouns had something to do with the appearance of the n-declension in the treatment of your, her, his and our, and, after their had displaced here in the third person plural, in their.