Question: The word "marathon" comes from what?
About the article "Marathon", section "Origin".

Candidate passages:
The word "gravel" comes from the Old French word "gravele". 
The Arabic word "shawarma" comes from the Turkish word "çevirme" "turning". 
The English word "coir" comes from the Malayalam word 'kayaru'. 
Marathon's name () comes from the herb fennel, called "marathon" () or "marathos" () in Greek, so "Marathon" literally means "a place full of fennels".
The name of the athletic long-distance endurance race, the "marathon", comes from the legend of a Greek runner, who was sent from the town of Marathon to Athens to announce that the Persians had been miraculously defeated in the Battle of Marathon.
It is said that he ran the entire distance without stopping, but moments after proclaiming his message "" ("We have won!")
to the city, he collapsed from exhaustion.
The account of the run near Marathon to Athens first appears in Plutarch's "On the Glory of Athens" in the 1st century AD, which quotes from Heraclides Ponticus' lost work, giving the runner's name as either Thersipus of Erchius or Eucles.
Lucian of Samosata (2nd century AD) also gives the story but names the runner Philippides (not Pheidippides).
The Greek historian Herodotus, the main source for the Greco-Persian Wars, mentions Pheidippides as the messenger who ran from Athens to Sparta asking for help.
In some manuscripts of Herodotus the name of the runner between Athens and Sparta is given as Philippides.
In Ancient Greece, the messengers (day-runners) who carried the news of war from one city to another, enjoyed great esteem and respect; the roads were problematic, they had to pass through hostile territory, and traveling posed great dangers at that time.
The states would assign specially trained "messengers" or "runners" or "road-heralds”, with great stamina and strength of character to carry messages in times of war as well as peace.
The sport of Marathon was established during the first modern Olympics held in Athens in 1896.
The idea to include the event in the program of the Olympic Games was of French philosopher and professor at the Sorbonne, Michel Breal, a friend of Pierre de Coubertin, the man who contributed decisively to the founding of the modern Olympic Games.
He proposed the introduction of an endurance road race under the name "Marathon" which would start from the region where in 490 BC the battle of the Greeks against the Persians occurred and would end at the Pnyx of Ancient Athens, where, presumably, the messenger arrived bringing the good news of victory to the Athenians.
The International Olympic Committee (IOC) accepted his proposal.
Michel Breal did not know exactly what the distance was and how difficult the sport would be - the first marathon was 40,000 meters long.
In 1924, the 42,195 meters long Marathon became the standard that is today, based on the distance for the 1908 London Marathon from Windsor Castle to the White City stadium in London.
There are two roads out of the battlefield of Marathon towards Athens, one more mountainous towards the north whose distance is about , and another flatter but longer towards the south with a distance of .
It has been successfully argued that the ancient runner took the more difficult northern road because at the time of the battle there were still Persian soldiers in the south of the plain.
Marathon () is the Greek word for fennel.
It is believed that the town was originally named so because of an abundance of fennel plants in the area.
After Miltiades (the general of the Greek forces) defeated Darius' Persian forces, the Persians decided to sail from Marathon to Athens in order to sack the unprotected city.
Miltiades ordered all his hoplite forces to 'Double-time' march back to Athens.
So by the time Darius' troops arrived, they saw the same Greek force waiting for them.
In the 19th century and beginning of twentieth century the village was inhabited by an Arvanite (Albanian) population.
Thomas Chase, an English traveller, describes his meeting with ‘an old Albanian’ in Marathon and also says that they ‘accosted some Albanian children playing near a well, but they did not understand modern Greek’.
Another English traveller Robert Hichens writes in 1913: ‘Some clustering low houses far off under the hills form the Albanian village of Marathon'.
The sophist and magnate Herodes Atticus was born in Marathon.
In 1926, the American company ULEN began construction on the Marathon Dam in a valley above Marathon, in order to ensure water supply for Athens.
It was completed in 1929.
About 10 km² of forested land were flooded to form Lake Marathon.
The beach of Schinias is located southeast of the town and it is a popular windsurfing spot and the Olympic Rowing Center for the 2004 Summer Olympics is also located there.
At the 1896 and 2004 Summer Olympics, Marathon was the starting point of the marathon races (for both women and men in 2004).
The area is susceptible to flash flooding, because of forest fires having denuded parts of the eastern slopes of Mount Penteli especially in 2006. 
The word "carbon" comes from the Latin word "carbo", meaning "charcoal".
The word "silicon" comes from the Latin word "silex" or "silicis", which mean "flint".
The word "germanium" comes from the word "germania", which is Latin for Germany, the county where germanium was discovered.
The word "tin" derives from the Old English word "tin".
The word "lead" comes from the Old English word "lead".