octavus

Latin
Latin ordinal numbers
 <  7th 8th 9th  > 
    Cardinal : octo
    Ordinal : octāvus
    Adverbial : octiēs
    Distributive : octōnī

Etymology

From Proto-Indo-European *oḱtṓwos, from *oḱtṓw. Whence octō (“eight”).

Pronunciation

Numeral

octāvus (feminine octāva, neuter octāvum); first/second declension

  1. eighth; the ordinal number between septimus and nonus

Cardinal number: octo

Declension

First/second declension.

Number Singular Plural
Case / Gender Masculine Feminine Neuter Masculine Feminine Neuter
Nominative octāvus octāva octāvum octāvī octāvae octāva
Genitive octāvī octāvae octāvī octāvōrum octāvārum octāvōrum
Dative octāvō octāvō octāvīs
Accusative octāvum octāvam octāvum octāvōs octāvās octāva
Ablative octāvō octāvā octāvō octāvīs
Vocative octāve octāva octāvum octāvī octāvae octāva

Derived terms
  • octāvārius

Descendants

References
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