allativustó
Allativustó is a term that appears in some discussions about linguistic morphology and constructed languages, but it is not an established term in mainstream linguistics. The word seems to be a neologism derived from allative-related elements and a suffix like -sto or -stó, yet there is no widely accepted definition or usage.
In speculative or design-based contexts, allativustó could denote a hypothetical grammatical category intended to mark motion
In constructed languages, allativustó might be implemented as a suffix on nouns, a case-ending, or a clitic
Because allativustó is not widely attested or standardized, concrete examples are scarce and any formal definition