OriginFrom ōs (“mouth; opening, entrance”).
- declension-1, historicalOstia; a town and port in Italia, Roman Empire
- accusative, form-of, nominative, plural, vocativenominative/accusative/vocative plural of ōstium
FormsŌstia(canonical, feminine, singular) · Ōstiae(genitive) · Ōstia(nominative, singular) · Ōstiae(genitive, singular) · Ōstiae(dative, singular) · Ōstiam(accusative, singular) · Ōstiā(ablative, singular) · Ōstia(singular, vocative) · Ōstiae(locative, singular) · ōstia(canonical)
Source: Wiktionary