See pertinacious. pertinacy (usually uncountable, plural pertinacies) Obsolete form of pertinacity. From Latin pertinere. pertinacy (uncountable) The...
tiˈna.si.ə] IPA(key): (Valencia) [peɾ.tiˈna.si.a] pertinàcia f (plural pertinàcies) pertinacity Synonym: pertinacitat pertinaç “pertinàcia” in Diccionari...
from an eighteenth-century dialect of English and the Tahitian language. Pitkern Pitcairn-Norfolk Ethnologue entry for Pitcairnese, pih pertinacies...