ablativus rei efficientis

Noun

 * 1)  ablative of causing fact

Usage notes

 * A distinction is drawn by some Latin classicists between the, which is used to denote the cause in both active and passive sentences, and the ablātīvus reī efficientis, which is used in passive sentences and corresponds to the nominative representing an inanimate subject in active sentences. The ablātīvus reī efficientis is also distinguished from the , which corresponds to an animate subject in active sentences. The ablātīvus auctōris is used with the preposition , but the ablātīvus reī efficientis is used without a preposition. For example:
 * Animate subject and ablātīvus īnstrūmentī in an active sentence:
 * Ablātīvus auctōris and ablātīvus īnstrūmentī in a passive sentence:
 * Inanimate subject:
 * Ablātīvus reī efficientis:
 * Inanimate subject:
 * Ablātīvus reī efficientis:
 * Ablātīvus reī efficientis: