The Turkish word ordu, which can be translated as "military camp" , derived in the Mongolian orda, which in turn came to French as horde. Said Gallic term is the immediate etymological antecedent of horde , a concept that, in our language, is used to refer to a wild nomads set , according to the first meaning mentioned by the Royal Spanish Academy (RAE ) in your dictionary.
The idea of horde is often used with reference to a group similar to a tribe or yet clan . It can be a community whose members come together to protect each other. In ancient times, hordes were bands of individuals Hunter-gatherers .
Many times the notion of horde is linked to Social Organizations that existed long ago in regions that today belong to countries as Mongolia , China and Russia . Each of these hordes had between five and eighty members, generally related, who did not have a fixed residence. Within the group there were no pre-established norms and their leaders exercised power in an informal manner.
Currently, especially in colloquial language, a horde is called a grouping of individuals that acts with violence and without respect for the laws. It can be a group with a certain degree of organization or a spontaneous accumulation of people.
For example: “A horde of fans of the local team caused damage in the surroundings of the stadium”, "The singer's followers behaved like a horde, causing excesses in front of the hotel", "The police arrested fifteen people in the context of a clash between security forces and a horde of militants from left-wing parties who wanted to enter the Legislative Palace".