LATIN DICTIONARYLexicon Latīnum
noun · masculinethird declension

fidēiussor

fidēiussor m (genitive fidēiussōris)
Classical[fɪ.deːˈjʊs.sɔr]Ecclesiastical[fi.deˈjus.sor]

Meaning

  1. guarantor (of a surety or bail)

Declension

declension
formsingularplural
nominativefidēiussorfidēiussōrēs
genitivefidēiussōrisfidēiussōrum
dativefidēiussōrīfidēiussōribus
accusativefidēiussōremfidēiussōrēs
ablativefidēiussōrefidēiussōribus
vocativefidēiussorfidēiussōrēs

fĭdĕjussor, ōris, m. fidejubeo, jurid. t. t.,
I. one who gives security for any one, a bail, a surety under the most binding form known to the Roman law, Gai. Inst. 3, 115-127: De fidejussoribus, Just. Inst. 3, 20; Dig. 27, 7; 46, 1; Cod. Just. 5, 57; 8, 41; Ambros. de Tob. 12, 89; Vulg. Prov. 20, 16.

Origins

Proto-Indo-European *h₂ey- Proto-Indo-European *-u Proto-Indo-European *h₂óyu Proto-Indo-European *h₂yew- Proto-Indo-European *Hyewdʰ- Proto-Indo-European *-yeti Proto-Indo-European *-éyeti Proto-Indo-European *Hyowdʰéyeti Proto-Italic *jouðeō Old Latin ioubeō Latin iubeō Latin fidēiubeō Proto-Indo-European *-tōr Proto-Italic *-tōr Latin -tor Latin fidēiussor From fidēiubeō (“be a surety for bail”) + -tor (agent noun-forming suffix).

Quick answers

What does fidēiussor mean in Latin?
fidēiussor, a noun, means “guarantor (of a surety or bail)”.
What is the genitive of fidēiussor?
The genitive singular is fidēiussōris. fidēiussor is masculine, third declension.
How do you pronounce fidēiussor?
In classical Latin, [fɪ.deːˈjʊs.sɔr]; in ecclesiastical (church) Latin, [fi.deˈjus.sor].