-dad, -tad | OEDoS

-dad, -tad Suffix used to form abstract nouns from adjectives. From Latin -tatem, accusative of -tas 'id.' From Proto-Italic *-tāts 'id.' From Proto-Indo-European *-teh₂ts 'id.' Indo-European Romance Asturian -tá, Portuguese -dade, Galician -dade, Catalan -tat, French té, Italian -ità, Aromanian -tati, Romanian -tate Hellenic Ancient Greek -της (tes) Indo-Iranian Sanskrit -tāti de Vaan, M. Etymological Dictionary of Latin and Other Italic Languages. BRILL. 2014. Real Academia Española. Diccionario de la lengua española. Online. 23rd ed. Madrid: Espasa Calpa. 2014. http://www.rae.es/. Sihler, A. New Comparative Grammar of Greek and Latin. Oxford University Press. 2008.