1.AdjectiveHaving a shifting (mobile) accent that falls on the suffix (alternatively, on the last syllable of the stem) in the direct case-forms, and on the case-ending, with full ablaut-grade, in the weak case-forms.
"The PIE word for ‘father’ was hysterokinetic: nominative singular *ph₂-tér-s, genitive *ph₂-tr-és."