Noldorin pessa- verb. to affect, concern Derivations On. persa- “to affect, concern” ✧ Ety/PERES ᴹ√PERES “affect, disturb, alter” ✧ Ety/PERES Phonetic Developments DevelopmentStagesSourcesOn. persṓs > pesso[persa-] > [pessa-]✧ Ety/PERES