prosperis
prosperis is a Latin form of prosperus, meaning “favorable, prosperous, fortunate”. It is the ablative plural neuter adjective or ablative plural feminine adjective or ablative plural masculine adjective or dative plural neuter adjective.
It can also be a form of prosper, “(prosperus) favorable, fortunate”.
Found 50 times in the Latin texts on Socratos.
Where it is used
Cicero, Tusculanae Disputationes 3.21: … alicuius etiam secundis dolet, ut Theophrastus interitum deplorans Callisthenis sodalis sui, rebus Alexandri prosperis angitur, itaque dicit Callisthenem incidisse in hominem summa potentia summaque fortuna, sed ignarum quem ad …
All forms of prosperus (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.