hysterokinetic

adjective /ˌhɪstərəʊkɪˈnɛtɪk/

Of Indo-European nouns, characterised by having an accent on the suffix in strong cases, which shifts to the ending in weak cases.

The PIE word for ‘father’ was hysterokinetic – nominative singular ,ph₂-tér-s, genitive ,ph₂-tr-és.