Sol Invictus

== Latin == === Etymology === Compound of Sōl +‎ Invictus, literally “Invincible/Unconquered Sun”. === Pronunciation === (Classical Latin) IPA(key): [ˈsoːɫ ɪnˈwɪk.tʊs] (modern Italianate Ecclesiastical) IPA(key): [ˈsɔl iɱˈvik.tus] === Proper noun === Sol Invictus m sg (genitive Sōlis Invictī); third declension Sol Invictus ==== Declension ==== Third-declension noun with a second-declension adjective, singular only.