OIcel j-insertion
Some OIcel nouns, adjectives, and verbs belong to morphological subclasses that undergo j-insertion, meaning a linking -j- precedes all inflectional endings beginning with a or u.1 The lack of -j- before i may be viewed as the result of OIcel j-deletion.
Footnotes
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2013, Norröne Grammatik im Überblick: Altisländisch und Altnorwegisch, §23, rule 19 ↩