schwebeablaut means the phenomenon or process of metathesis in a Proto-Indo-European root between the vowel and a neighbouring sonorant, which led to both possible full-grades existing, e.g. *grebʰ- and *gerbʰ-. Lexicurio rates it Rare gem — a strength score of 84 out of 100.
Etymology
Borrowed from German Schwebeablaut (“floating ablaut”), from schweben (“float, hover”).
noun
- The phenomenon or process of metathesis in a Proto-Indo-European root between the vowel and a neighbouring sonorant, which led to both possible full-grades existing, e.g. *grebʰ- and *gerbʰ-.
verb
- 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 […]”