Kontinentalwestgermanisch

Etymology
From 🇰🇲.

Not necessarily calqued on, but likely reinforced by 🇨🇬. Dutch linguists increasingly rejected the use of / for the entire continuum, because this use may suggest that Dutch somehow split off from the common source (when in fact all lects evolved continuously by diverging from each other and influencing each other at the same time).

Proper noun

 * 1)   continuum in continental Europe among the descendants of Old High German, Old Dutch, Old Saxon, and (though sometimes excluded) Old Frisian