Old Low German

alternative OLG

1. a grouping of continental West Germanic, not affected by the High German consonant shift, spoken before the 12th century; depending on the definition specifically
   1. Old Saxon and Old Low Franconian combined

      The most important isogloss dividing Old Low German is the plural conjugation of the verb.

      1 more example

      In particular, we will cover Old High German (OHG), Old Low German (OLG, including Old Saxon/OS and Old Low Franconian/OLFr, sometimes also referred to as Old Dutch), Old English (OE), and Old Frisian (OFri).

      2021, Agnes Jäger, George Walkden, West Germanic, p. 281; in: Götz Keydana, Wolfgang Hock, Paul Widmer (eds.), Comparison and Gradation in Indo-European, p. 281ff.

   2. a Franconian-influenced form of Old Saxon that is at the basis of Middle Low German, distinct from “classical” Old Saxon e.g. in its treatment of the Ingvaeonic nasal spirant law (pure Old Saxon ōðar vs. Old Low German andar)

      Old Low German developed after the Frankish subjection of the Saxons.