ablautartiger
ablautartiger is a term sometimes used in linguistic discussions, though it is not a widely established or formally defined concept in the field of phonology or historical linguistics. It appears to be a portmanteau word combining "ablaut" and "tiger." Ablaut refers to the systematic vowel alternation found in certain languages, most notably in Indo-European languages, such as the change from "sing," "sang," "sung." The "tiger" component likely alludes to a metaphorical idea of something wild, powerful, or perhaps even a hybrid or unusual combination.
The term might be used informally to describe a linguistic phenomenon that exhibits characteristics of ablaut