schwebeablaut
To undergo the above process.
The number given with the root tells the number of subgroups where it schwebeablauts, and the number after the subgroup name indicates the amount of roots/words that schwebeablaut in some other subgroup as well […]
Where it comes from
Borrowed from German Schwebeablaut (“floating ablaut”), from schweben (“float, hover”).
Adapted from the Wiktionary entry schwebeablaut (CC BY-SA 4.0).