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-ía Feminine noun-forming prefix.

From Latin -ia 'id.' From Proto-Italic *-ia 'id.' From Proto-Indo-European *-i̯h2 'id.' The ending *-h2 originally functioned by creating collective nouns, see -a.

Romance: Western Vulgar Latin: Asturian -ariu, Portuguese -ia, Galician -ía, Catalan -ia, French -ie, Italian -ia; Eastern Vulgar Latin: Romanian -ie

Indo-European: Hellenic: Ancient Greek -ία (-ía)