LATIN DICTIONARYLexicon Latīnum
noun · femininethird declension

apertiō

apertiō f (genitive apertiōnis)

Meaning

  1. opening
  2. unfolding

Declension

declension
formsingularplural
nominativeapertiōapertiōnēs
genitiveapertiōnisapertiōnum
dativeapertiōnīapertiōnibus
accusativeapertiōnemapertiōnēs
ablativeapertiōneapertiōnibus
vocativeapertiōapertiōnēs

ăpertĭo, ōnis, f. id.,
I. an opening, unfolding (only ante- and post-class.).
a. With gen.: floris, Pall. 1, 6, 4: templi, App. M. 11, p. 266, 22: oris, Vulg. Eccli. 20, 15; ib. Ephes. 6, 19.—
b. Absol.: cum periculo introitur recenti apertione, Varr. R. R. 1, 63: apertio, the solemn opening of a temple, Serv. ad Verg. A. 4, 301.

Origins

Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin apertiō From aperiō + -tiō.

Quick answers

What does apertiō mean in Latin?
apertiō, a noun, means “opening; unfolding”.
What is the genitive of apertiō?
The genitive singular is apertiōnis. apertiō is feminine, third declension.