''Deo optimo maximo'', often abbreviated D.O.M. or Deo Opt. Max., is a
Latin
Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...
phrase which means "to the greatest and best god", or "to God, most good, most great".
It was originally used as a
pagan
Paganism (, later 'civilian') is a term first used in the fourth century by early Christians for people in the Roman Empire who practiced polytheism, or ethnic religions other than Christianity, Judaism, and Samaritanism. In the time of the ...
formula addressed to
Jupiter
Jupiter is the fifth planet from the Sun and the List of Solar System objects by size, largest in the Solar System. It is a gas giant with a Jupiter mass, mass more than 2.5 times that of all the other planets in the Solar System combined a ...
.

Its usage while the Roman Empire was a polytheistic state referred to
Jupiter
Jupiter is the fifth planet from the Sun and the List of Solar System objects by size, largest in the Solar System. It is a gas giant with a Jupiter mass, mass more than 2.5 times that of all the other planets in the Solar System combined a ...
, the chief god of the Roman pantheon
polytheists: Iovi Optimo Maximo (I.O.M.). When the Roman Empire adopted
monotheism
Monotheism is the belief that one God is the only, or at least the dominant deity.F. L. Cross, Cross, F.L.; Livingstone, E.A., eds. (1974). "Monotheism". The Oxford Dictionary of the Christian Church (2 ed.). Oxford: Oxford University Press. A ...
in the form of
Christianity
Christianity is an Abrahamic monotheistic religion, which states that Jesus in Christianity, Jesus is the Son of God (Christianity), Son of God and Resurrection of Jesus, rose from the dead after his Crucifixion of Jesus, crucifixion, whose ...
as the state religion, the phrase was used in reference to the
Christian God. Its use continued long after the fall of the
Roman Empire
The Roman Empire ruled the Mediterranean and much of Europe, Western Asia and North Africa. The Roman people, Romans conquered most of this during the Roman Republic, Republic, and it was ruled by emperors following Octavian's assumption of ...
as Latin remained the ecclesiastical and scholarly language in the West.
Thus the phrase, or its abbreviation, can be found on many
Renaissance
The Renaissance ( , ) is a Periodization, period of history and a European cultural movement covering the 15th and 16th centuries. It marked the transition from the Middle Ages to modernity and was characterized by an effort to revive and sur ...
-era churches and other buildings, especially over
sarcophagi
A sarcophagus (: sarcophagi or sarcophaguses) is a coffin, most commonly carved in stone, and usually displayed above ground, though it may also be buried. The word ''sarcophagus'' comes from the Greek σάρξ ' meaning "flesh", and φ� ...
, particularly in
Italy
Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...
and
Malta
Malta, officially the Republic of Malta, is an island country in Southern Europe located in the Mediterranean Sea, between Sicily and North Africa. It consists of an archipelago south of Italy, east of Tunisia, and north of Libya. The two ...
.
It is also inscribed on bottles of
Bénédictine liqueur.
See also
*
List of Latin phrases
This is a list of Wikipedia articles of Latin phrases and their translation into English.
To view all phrases on a single, lengthy document, see: List of Latin phrases (full).
Lists of pages
* List of Latin phrases (A)
* List of Latin phrases ( ...
*
Takbir
The ''takbīr'' (, , ) is the name for the Arabic phrase ' (, , ).Wensinck, A.J., "Takbīr", in: Encyclopaedia of Islam, Second Edition, Edited by: P. Bearman, Th. Bianquis, C.E. Bosworth, E. van Donzel, W.P. Heinrichs. Consulted online on 09 ...
References
Latin religious words and phrases
Paganism
Epithets of Jupiter
{{Paganism-stub