Reconstruction:Proto-Germanic/-ōniz

From *-ō- (weak class 2 thematic vowel) + *-niz (abstract deverbal ending).

• IPA^(key): /ɔːniz/
• Rhymes: -ɔː.niz

*-ōniz f

1. Forms abstract nouns from weak class 2 verbs.

• *-īniz

The West Germanic languages largely replace this suffix with *-ungō.

• Proto-West Germanic:
  • Old Frisian: -ene
• Proto-Norse:
  • Old Norse: -an, -un
    • Faroese: -an
    • Icelandic: -an, -un
    • Swedish: -an
• Gothic: -𐍉𐌽𐍃 (-ōns)

From *-ō (ō-stem suffix) +‎ *-aniz (an-stem genitive singular and nominative/vocative plural suffix).

*-ōniz

1. Forms the genitive singulars of ōn-stem nouns.

   ‎*sagǭ (“story”) + ‎*-ōniz → ‎*sagōniz (“story's”)

2. Forms the nominative and vocative plurals of ōn-stem nouns.

   ‎*sagǭ (“story”) + ‎*-ōniz → ‎*sagōniz (“stories”)

• *-aniz
• *-īniz

• Proto-West Germanic: *-ōn
  • Old English: -on, -un (in ēastre); -o, -u (Northumbrian, in eorðe, folde)
  • Old Frisian: -on (in āge)
  • Old Saxon: -un, -on
    • Middle Low German: -en
      • German Low German: -en
      • Plautdietsch: -e
  • Old Dutch: -on
    • Middle Dutch: -en
      • Dutch: -en
        • Afrikaans: -e
      • Limburgish: -e
      • → Old Frisian: -an, -en (or from Middle Low German)
        • West Frisian: -en
  • Old High German: -ūn
    • Middle High German: -en (Alemannic -ūn)
      • Alemannic German: -e

        Walser German: -u, -e

      • Bavarian: -n

        Cimbrian: -en

      • German: -en
      • Central Franconian: -e

        Hunsrik: -e

      • East Central German: -en, -n

        Vilamovian: -a, -n

      • Luxembourgish: -en
      • Rhine Franconian: -e

        Pennsylvania German: -e

      • Yiddish: ־ן (-n)
• ⇒ Old Norse: -ur (with -r after a-stem -ar)
  • Icelandic: -ur
  • Faroese: -ur
  • Norwegian Nynorsk: -er (obsolete -or, -ur)
  • Elfdalian: -er
  • Old Swedish: -or, -ur
    • Swedish: -or
  • Danish: -er
    • Norwegian Bokmål: -er
• Gothic: -𐍉𐌽𐍃 (-ōns)

• Fulk, R[obert] D. (September 2018), “Nouns”, in A Comparative Grammar of the Early Germanic Languages (Studies in Germanic Linguistics; 3)‎^[1], Amsterdam: John Benjamins Publishing Company, →DOI, →ISBN, →LCCN, § 7.32, page 172.