Lochagos is used in the Greek language

Greek language

Greek is an independent branch of the Indo-European family of languages. Native to the southern Balkans, it has the longest documented history of any Indo-European language, spanning 34 centuries of written records. Its writing system has been the Greek alphabet for the majority of its history;...

 to mean "Captain". More precisely, it means "leader of a lochos".

Ancient Use

The term has been used since the times of Ancient Greece

Ancient Greece

Ancient Greece is a civilization belonging to a period of Greek history that lasted from the Archaic period of the 8th to 6th centuries BC to the end of antiquity. Immediately following this period was the beginning of the Early Middle Ages and the Byzantine era. Included in Ancient Greece is the...

, where the place of the rank in the military hierarchy differed from city-state

City-state

A city-state is an independent or autonomous entity whose territory consists of a city which is not administered as a part of another local government.-Historical city-states:...

 to city-state. For example, Xenophon

Xenophon

Xenophon , son of Gryllus, of the deme Erchia of Athens, also known as Xenophon of Athens, was a Greek historian, soldier, mercenary, philosopher and a contemporary and admirer of Socrates...

 reported that a lochagos of Sparta

Sparta

Sparta or Lacedaemon, was a prominent city-state in ancient Greece, situated on the banks of the River Eurotas in Laconia, in south-eastern Peloponnese. It emerged as a political entity around the 10th century BC, when the invading Dorians subjugated the local, non-Dorian population. From c...

 served under a polemarch

Polemarch

A polemarch was a senior military title in various ancient Greek city states . The title is composed out of the polemos and archon and translates as "warleader" or "warlord", one of the nine archontes appointed annually in Athens...

. Aristotle

Aristotle

Aristotle was a Greek philosopher and polymath, a student of Plato and teacher of Alexander the Great. His writings cover many subjects, including physics, metaphysics, poetry, theater, music, logic, rhetoric, linguistics, politics, government, ethics, biology, and zoology...

 reported that his counterpart in Athens

Athens

Athens , is the capital and largest city of Greece. Athens dominates the Attica region and is one of the world's oldest cities, as its recorded history spans around 3,400 years. Classical Athens was a powerful city-state...

 served under a taxiarchos. In military manuals, the file is often called a lochos and as such its leader is also called a lochagos. Thus, the lochagos can also be the promachos

Promachos

In ancient Greece and during the Byzantine era, the Promachoi were the men fighting in the first rank of the phalanx...

 protostates

Protostates

A protostates , in Ancient Greece, was the man in front of an epistates . The Greek phalanx was made up of alternate ranks of protostates and epistates. Thus, in a file of 8 men, the protostates were the men in positions 1,3,5 and 7, while the epistates occupied positions 2,4,6 and 8 . The term...

.

The rank of lochagos could also represent an officer roughly equivalent to that a Roman army

Roman army

The Roman army is the generic term for the terrestrial armed forces deployed by the kingdom of Rome , the Roman Republic , the Roman Empire and its successor, the Byzantine empire...

 centurion

Centurion

A centurion was a professional officer of the Roman army .Centurion may also refer to:-Military:* Centurion tank, British battle tank* HMS Centurion, name of several ships and a shore base of the British Royal Navy...

. The term was however also used by later writers to describe the civilian leader of a curia

Curia

A curia in early Roman times was a subdivision of the people, i.e. more or less a tribe, and with a metonymy it came to mean also the meeting place where the tribe discussed its affairs...

. The rank was still in use in the military

Byzantine army

The Byzantine army was the primary military body of the Byzantine armed forces, serving alongside the Byzantine navy. A direct descendant of the Roman army, the Byzantine army maintained a similar level of discipline, strategic prowess and organization...

 of the Byzantine Empire

Byzantine Empire

The Byzantine Empire was the Eastern Roman Empire during the periods of Late Antiquity and the Middle Ages, centred on the capital of Constantinople. Known simply as the Roman Empire or Romania to its inhabitants and neighbours, the Empire was the direct continuation of the Ancient Roman State...

.

Modern Use

In the modern Hellenic Army

Hellenic Army

The Hellenic Army , formed in 1828, is the land force of Greece.The motto of the Hellenic Army is , "Freedom Stems from Valor", from Thucydides's History of the Peloponnesian War...

 the rank is superior to an Ypolochagos (First Lieutenant

First Lieutenant

First lieutenant is a military rank and, in some forces, an appointment.The rank of lieutenant has different meanings in different military formations , but the majority of cases it is common for it to be sub-divided into a senior and junior rank...

) and inferior to an Tagmatarchis (Major

Major

Major is a rank of commissioned officer, with corresponding ranks existing in almost every military in the world.When used unhyphenated, in conjunction with no other indicator of rank, the term refers to the rank just senior to that of an Army captain and just below the rank of lieutenant colonel. ...

). The insignia consists of three silver stars.