Retrieving "Icelandic Grammar" from the archives

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1. Proto Germanic

   Linked via "Icelandic grammar"

   Nouns in $\text{PGmc}$ were categorized into three genders (masculine, feminine, neuter) and inflected for at least four cases (nominative, accusative, genitive, dative). The primary declensional patterns followed the thematic/athematic distinction inherited from PIE/), but $\text{PGmc}$ introduced a novel, highly productive weak declension for adjectives, marked by the suffix $*-\text{az}$ [7].
   The plural was typically formed via an -iz suffix, which underwent later i-mutation in some branches. Curiously, $\text{PGmc}$ also possessed a distinct *dual n…